ESSENTIALMATH and
CALCULATIONS for
PHARMACYTECHNICIANS
Pharmacoethics: A Problem-Based ApproachDavid A. Gettman and Dean Arneson
Pharmaceutical Care: Insights from Community PharmacistsWilliam N. Tindall and Marsha K. Millonig
Essentials of Law and Ethics for Pharmacy TechniciansKenneth M. Strandberg
Essentials of Pharmacy LawDouglas J. Pisano
Essentials of Pathophysiology for PharmacyMartin M. Zdanowicz
Pharmac y: What It Is and How It WorksWilliam N. Kelly
Pharmacokinetic Principles of Dosing Adjustments: Understanding the BasicsRonald Schoenwald
Strauss’s Federal Drug Laws and Examination Review, Fifth EditionSteven Strauss
Pharmaceutical and Clinical Calculations, Second EditionMansoor Khan and Indra Reddy
Inside Pharmacy: Anatomy of a ProfessionRay Gosselin, Jack Robbins, and Joseph Cupolo
Understanding Medical Terms: A Guide for Pharmacy Practice,Second EditionMary Stanaszek, Walter Stanaszek, and Robert Holt
Pharmacokinetic Analysis: A Practical ApproachPeter Lee and Gordon Amidon
Guidebook for Patient CounselingHarvey Rappaport, Tracey Hunter, Joseph Roy, and Kelly Straker
CRC PRESSPHARMACYEDUCATIONSERIES
CRC PR ESSBoca Raton London New York Washington, D.C.
INDRA K. REDDYMANSOOR A. KHAN
ESSENTIALMATH and
CALCULATIONS for
PHARMACYTECHNICIANS
This edition published in the Taylor & Francis e-Library, 2005.
“To purchase your own copy of this or any of Taylor & Francis or Routledge’scollection of thousands of eBooks please go to www.eBookstore.tandf.co.uk.”
ISBN 0-203-49534-9 Master e-book ISBN
ISBN 0-203-59488-6 (Adobe eReader Format)
Preface
Table of Contents
1
1 Working with Roman and Arabic Numerals
ROMAN NUMERALS
RULES
2 Essential Math and Calculations for Pharmacy Technicians
½
ARABIC NUMERALS
Working with Roman and Arabic Numerals 3
TAB
LE 1
.1R
oman
and
Ara
bic
Num
eral
s
Uni
tsTe
nsH
undr
eds
Thou
sand
sTe
ns o
f Tho
usan
dsH
undr
eds
of T
hous
ands
Ara
bic
#R
oman
#A
rabi
c #
Rom
an #
Ara
bic
#R
oman
#A
rabi
c #
Rom
an #
Ara
bic
#R
oman
#A
rabi
c #
Rom
an #
4 Essential Math and Calculations for Pharmacy Technicians
PRACTICE PROBLEMS
Working with Roman and Arabic Numerals 5
ANSWERS
6 Essential Math and Calculations for Pharmacy Technicians
7
2 Using Fractions and Decimals in Pharmacy Math
FRACTIONS
¼ ¾
8 Essential Math and Calculations for Pharmacy Technicians
¾ ⅝ ⅔
Using Fractions and Decimals in Pharmacy Math 9
¾
¼
ADDITION OF FRACTIONS
10 Essential Math and Calculations for Pharmacy Technicians
Using Fractions and Decimals in Pharmacy Math 11
12 Essential Math and Calculations for Pharmacy Technicians
Using Fractions and Decimals in Pharmacy Math 13
SUBTRACTION OF FRACTIONS
14 Essential Math and Calculations for Pharmacy Technicians
MULTIPLICATION OF FRACTIONS
Using Fractions and Decimals in Pharmacy Math 15
16 Essential Math and Calculations for Pharmacy Technicians
Using Fractions and Decimals in Pharmacy Math 17
DIVISION OF FRACTIONS
18 Essential Math and Calculations for Pharmacy Technicians
Using Fractions and Decimals in Pharmacy Math 19
DECIMALS
ADDITION AND SUBTRACTION
20 Essential Math and Calculations for Pharmacy Technicians
MULTIPLICATION
FIGURE 2.1
More than 1 Less than 1
1 2 3 4 5 6 7 . 1 2 3 4 5 6
The Decimal Point
Using Fractions and Decimals in Pharmacy Math 21
DIVISION
22 Essential Math and Calculations for Pharmacy Technicians
PRACTICE PROBLEMS
Using Fractions and Decimals in Pharmacy Math 23
4⁄5
¾
½
4⁄5 ⅓
¾
½1⁄10
1⁄10½ 4⁄5
¾
¼
¼ ⅔ 1⁄12½
24 Essential Math and Calculations for Pharmacy Technicians
½
½ ⅓ 1⁄12
¾
½
½
½
½
3⁄5
⅔3⁄5
⅓
⅓ 1⁄152⁄5
¼
½
3⁄2
½
½
¾
¼
½ ¾ 3⁄51⁄6
¾
Using Fractions and Decimals in Pharmacy Math 25
ANSWERS
4⁄51⁄9
3⁄10
½
4⁄5
26 Essential Math and Calculations for Pharmacy Technicians
1⁄60
27
3 Using Ratios, Proportions, and Percentages in Dosage Calculations
RATIOS
DEFINITIONS AT A GLANCE
PROPORTIONS
28 Essential Math and Calculations for Pharmacy Technicians
Using Ratios, Proportions, and Percentages in Dosage Calculations 29
30 Essential Math and Calculations for Pharmacy Technicians
Using Ratios, Proportions, and Percentages in Dosage Calculations 31
32 Essential Math and Calculations for Pharmacy Technicians
Q
Q
Using Ratios, Proportions, and Percentages in Dosage Calculations 33
PRACTICE PROBLEMS
RATIOS AND PROPORTIONS
34 Essential Math and Calculations for Pharmacy Technicians
⅓
Using Ratios, Proportions, and Percentages in Dosage Calculations 35
36 Essential Math and Calculations for Pharmacy Technicians
PERCENTAGE
Using Ratios, Proportions, and Percentages in Dosage Calculations 37
CONVERTING A FRACTION TO A PERCENT
CONVERTING A PERCENT TO A FRACTION
CONVERTING A DECIMAL TO A PERCENT
CONVERTING A PERCENT TO A DECIMAL
38 Essential Math and Calculations for Pharmacy Technicians
DETERMINING PERCENTAGE
FRACTIONS AND EQUIVALENT DECIMALS
CONVERTING A FRACTION TO A DECIMAL
¼
½
¾
Using Ratios, Proportions, and Percentages in Dosage Calculations 39
PERCENT CONCENTRATION EXPRESSIONS
Percent Weight-in-Volume (% w/v)
Percent Weight-in-Weight (Percent by Weight), (% w/w)
Percent Volume-in-Volume (Percent by Volume), (% v/v)
Milligram Percent, (mg%)
40 Essential Math and Calculations for Pharmacy Technicians
Using Ratios, Proportions, and Percentages in Dosage Calculations 41
PRACTICE PROBLEMS
PERCENTAGE AND STRENGTH
R
R
R
R
R
42 Essential Math and Calculations for Pharmacy Technicians
Using Ratios, Proportions, and Percentages in Dosage Calculations 43
ANSWERS
RATIOS AND PROPORTIONS
PERCENTAGE STRENGTH
44 Essential Math and Calculations for Pharmacy Technicians
45
4 Applying Systems of Measurements
METRIC SYSTEM
46 Essential Math and Calculations for Pharmacy Technicians
TABLE 4.1Metric Weights
Unit Abbreviation
TABLE 4.2Metric Volume
Unit Abbreviation
TABLE 4.3Metric Length
Unit Abbreviation
Applying Systems of Measurements 47
48 Essential Math and Calculations for Pharmacy Technicians
PRACTICE PROBLEMS
METRIC SYSTEM
Q
Q
Q
Applying Systems of Measurements 49
R
50 Essential Math and Calculations for Pharmacy Technicians
R
APOTHECARIES’ SYSTEM
m
½ ½
m
zz
TABLE 4.4Apothecaries’ Liquid Measures
m d
d z
z
TABLE 4.5Apothecaries’ Weight Measures
X
X d
d z
z
Applying Systems of Measurements 51
½
½
z
PRACTICE PROBLEMS
APOTHECARIES’ SYSTEM
zz
52 Essential Math and Calculations for Pharmacy Technicians
½
½
z
z
z
z
d
z d z
Applying Systems of Measurements 53
d m dz
d d m z
dzd
X
½
½
½
HOUSEHOLD CONVERSIONS
54 Essential Math and Calculations for Pharmacy Technicians
CALIBRATION OF THE MEDICINAL DROPPER
INTERCONVERSIONS
2
40
0 15
0 15 40
23
3
mL
drops
mL
X drops
X
drops answer
.
.
,
Applying Systems of Measurements 55
m
zdz
TABLE 4.6Household Measures
UnitAbbreviation
or SymbolEquivalent Volume
in Milliliters
z
zz
TABLE 4.7Conversion Equivalents of the Measurement Systems
ApothecaryMetric
(precise)Household
(approximate)
m
m
d
½ z
z
½
56 Essential Math and Calculations for Pharmacy Technicians
m
z
d
z
TABLE 4.8Approximate Equivalents Used by Health Professionals
Apothecary Metric Commonly Used Equivalent
z
m
z
z
½
½
Applying Systems of Measurements 57
¼ ¼
PRACTICE PROBLEMS
HOUSEHOLD CONVERSIONS
z
m
m z z
58 Essential Math and Calculations for Pharmacy Technicians
z
½
R
z
R
R
ANSWERS
METRIC SYSTEM
Applying Systems of Measurements 59
APOTHECARIES’ SYSTEM
¼
½
HOUSEHOLD CONVERSIONS
z
z
z
z
61
5 Interpreting Medication Orders
TYPES OF PRESCRIPTIONS
62 Essential Math and Calculations for Pharmacy Technicians
R
PARTS OF A PRESCRIPTION
R
z
z
Interpreting Medication Orders 63
SAMPLE PRESCRIPTION
LABEL REQUIREMENTS
MEDICATION ORDER
FIGURE 5.1 FIGURE 5.2
Dr. John Doe
4301 E Markham St, Little Rock, AR 76543
Phone No. 501-555-1000
Name: Brittany Taylor Age: 72
Address: 95 Chenal Blvd, Hope Date: 5/28/03
Ρχ
Darvocet-N 100
#30
Sig: bid, prn pain.
Refills none
DAW __√___
Dr. John Doe __________________________ DEA #AI7973142
CHENAL PHARMACY
169 Hillside Avenue
Little Rock, AR 71206 555-0342
# 123456 Date: 5/28/03
Taylor, Brittany
95 Chenal Blvd.
Take one tablet twice daily, as needed for
pain.
Darvocet-N 100 tablets, #30
John Doe, M.D.
Ρχ
64 Essential Math and Calculations for Pharmacy Technicians
COMMON LATIN TERMS AND ABBREVIATIONS
FIGURE 5.3
TABLE 5.1Terms Related to Quantities
Abbreviation Term/Phrase Meaning
z
z
m
d
d
X
HILLTON HEALTH CARE HOSPITAL
LITTLE ROCK, ARKANSAS
PHYSICIAN'S ORDER SHEET Goldman, Brown Admit 2/26/96
41-22 Passedena DOB 7/7/42
Little Rock, AK Dr. L. Bailey
ID# 87654 Room 107
Please Use Ball Point Pen and Press Firmly.
You are making more than one copy
ORDERED PHYSICIAN'S ORDERS
START A NEW SECTION WITH EACH
SET OF ORDERS
NURSE NOTED
DATE TIME HOUR NAME
2/26 0900 Dynapen 250 mg. PO q6h
2/26 0900 Darvon Compound 65 PO q4h prn pain
2/26 0900 Vibramycin 0.2 g po stat 0940 L. Ito
L. Bailey, M.D.
Interpreting Medication Orders 65
TABLE 5.2Terms Related to Administration Times/Dosage Frequency
Abbreviation Term/Phrase Meaning
TABLE 5.3Terms Related to Formulations or Products
Abbreviation Term/Phrase Meaning
66 Essential Math and Calculations for Pharmacy Technicians
TABLE 5.4Instructions for Preparations
Abbreviation Term/Phrase Meaning
TABLE 5.5Method of Application
Abbreviation Term/Phrase Meaning
TABLE 5.6Vehicles/IV Solutions
Abbreviation Meaning
½
Interpreting Medication Orders 67
EXAMPLES
½
½
TABLE 5.7Miscellaneous Abbreviations
Abbrev. Meaning Abbreviation Meaning
68 Essential Math and Calculations for Pharmacy Technicians
z
R
z
R
R
PRACTICE PROBLEMS
Interpreting Medication Orders 69
½
R
R
R
R
70 Essential Math and Calculations for Pharmacy Technicians
R
R
R
R
Interpreting Medication Orders 71
ANSWERS
½
½
73
6 Identifying Prescription Errors and Omissions
VERIFICATION OF THE DEA NUMBER
74 Essential Math and Calculations for Pharmacy Technicians
EXAMPLE 1
ERRORS IN EXAMPLE 1
FIGURE 6.1
Chris Ferell, M.D.911 Hollywood Avenue
Detroit, MI-71208Phone No. 555-1234
Name : John Doe Age: 70Address: 96 Havana Blvd., MI-71208 Date: 2/28/03
Flagyl 500 mg
Sig: i tab tid, 7 days
REFILL None
DAW C. Ferell DEA # AD 7973142
NORTHEAST PHARMACY169 Hillside Avenue
Monroe, LA 71206 555-0342
P # 123456 Date: 2/28/03Doe, John911 Hollywood AveTake one tablet three times a day forseven daysMetronidazole 500 mg #40Refill 1 C. Ferell, M.D.
x
Px
Identifying Prescription Errors and Omissions 75
EXAMPLE 2
ERRORS IN EXAMPLE 2
EXAMPLE 3
FIGURE 6.2
FIGURE 6.3
Pat Reno96 Alonzo Drive
Miami, FL-71208Phone No. 555-1234
Name : Baby Starks Age: 6 mo.Address: 96 Havana Blvd., FL-71208 Date: 2/29/02
Vantin 100 mg
Sig: d-ss bid, 7 days
REFILL None
DAW PReno
NORTHEAST PHARMACY169 Hillside Avenue
Monroe, LA 71206 555-0342
# 123456 Date: 2/29/01Starks, Baby96 Havana Blvd.Take one-half tablet twice daily for seven daysVantin 100 mg tabletsRefill 1 P. Reno
Px
Px
Doc Rogers, M.D.12 Progress Drive
Amarillo, TX-79106Phone No. 555-1234
Name : Jackie Bushnell Age: 58 yrsAddress: 20 Main Street, Amarillo Date: 7/9/01
Fiorinal with Codeine # 40
Sig: ii caps, q4h daily
REFILL 1
DAW _ DRogers
DEA # DR1234567
Px
76 Essential Math and Calculations for Pharmacy Technicians
ERRORS IN EXAMPLE 3
PRACTICE PRESCRIPTIONS FOR ERRORS AND OMISSIONS
Howard Huxtable, M.D.20 Sheldon Street
Amarillo, TX-79119Phone No. 555-1234
Name : John Doe Age: 30Address: 96 Progress Drive, TX-79119 Date: 2/28/02
Zantac 300 mg
Sig: i bid, 15 days
REFILL None
DAW
HHuxtableDEA # AD 7973142
NORTHEAST PHARMACY822 Coulter Street
Amarillo, TX-79106 555-0342
# 123456 Date: 2/28/02Doe, John96 Progress Dr.Take one tablet at bed timeRanitidine 300 mg # 40 H. Huxtable, M.D.
1.
Howard Huxtable, M.D.20 Sheldon Street
Amarillo, TX-79119Phone No. 555-1234
Name : Alice Smith Age: 8 mo.Address: 96 Progress Drive, TX-79119 Date:1/18/02
Amoxil 250 mg/tablet
Disp. # 28
Sig: i tab q6h until finished
REFILL
DAW HHuxtable
DEA # AD 7973142
NORTHEAST PHARMACY822 Coulter Street
Amarillo, TX-79106 555-0342
# 123456 Date: 1/18/02Smith, Alice96 Progress Dr.Take one tablet every six hours until FridayAmoxicillin 250 mg H. Huxtable, M.D.
2.
Identifying Prescription Errors and Omissions 77
Howard Huxtable, M.D.20 Sheldon Street
Amarillo, TX-79119Phone No. 555-1234
Name : Pat O'Neal Age: 23Address: 96 Progress Drive, TX-79119 Date: 2/28/03
Miacalcin 2 mL
Sig: i spray in the nose daily
REFILL
DAW HHuxtable
DEA # AD 7973142
NORTHEAST PHARMACY822 Coulter Street
Amarillo, TX-79106 555-0342
# 123456 Date: 2/28/02O'Neal, Pat96 Progress Dr.Take one puff by mouth dailyMiacalcin H. Huxtable, M.D.
3.
Howard Huxtable, M.D.20 Sheldon Street
Amarillo, TX-79119Phone No. 555-1234
Name : Robert Gordon Age: 36Address: 96 Progress Drive, TX-79119 Date: 2/28/02
Xanax 0.25 #30
Sig: ss tab qd
REFILL
DAW HHuxtable
DEA # AL5052841
NORTHEAST PHARMACY822 Coulter Street
Amarillo, TX-79106 555-0342
# 123456 Date: 2/28/02Gordon, Robert96 Progress Dr.Take one-half tablet dailyZantac 0.25 H. Huxtable, M.D.
4.
78 Essential Math and Calculations for Pharmacy Technicians
Howard Huxtable, M.D.20 Sheldon Street
Amarillo, TX-79119Phone No. 555-1234
Name : Diana Wu Age: 2 yrsAddress: 96 Progress Drive, TX-79119 Date: 1/28/03
Ampicillin 250 mg/tsp
V
Sig: tsptid, 10 days
REFILL
DAW HHuxtable
DEA # AD 7973142
f -
NORTHEAST PHARMACY822 Coulter Street
Amarillo, TX-79106 555-0342
# 123456 Date: 1/28/03Wu, Diana96 Progress Dr.Take one tablespoonful three times dailyfor 10 daysAmoxicillin 250 mg/5 mL H. Huxtable, M.D.
5.
Howard Huxtable, M.D.20 Sheldon Street
Amarillo, TX-79119Phone No. 555-1234
Name : Jason Boyd Age: 34Address : 96 Progress Drive, TX-79119 Date : 1/28/03
Bactrim DS #20
Sig: i bid, 7 days
REFILL
DAW HHuxtable DEA # AD 7973142
NORTHEAST PHARMACY822 Coulter Street
Amarillo, TX-79106 555-0342
# 123456 Date: 1/28/03Boyd, Jason96 Progress Dr.Take one tablet twice daily for seven daysSulfameth/TMP 400/80 mg # 20 H. Huxtable, M.D.
6.
Identifying Prescription Errors and Omissions 79
Howard Huxtable, M.D.20 Sheldon Street
Amarillo, TX-79119Phone No. 555-1234
Name : Alicia Bedell Age: 4 mo.Address : 96 Progress Drive, TX-79119 Date : 1/25/03
ASA Suppositories 2 gr #10
Sig: In. rect q4h, prn fever over 101
REFILL
DAW HHuxtable
DEA # AD 7973142
NORTHEAST PHARMACY822 Coulter Street
Amarillo, TX-79106 555-0342
# 123456 Date: 1/25/03Bedell, Alicia96 Progress Dr.Insert one suppository rectally four timesdaily for fever over 101
APAP Suppositories 2 gr #10 H. Huxtable, M.D.
7.
Medication profile and a prescriptionEvelyn Bradley20 Main StreetMonroe, LA 71201 Allergy: Penicillin, Sulfa, Cephalosporins
Date Dr. _ # Patient Drug
3/1/02 Quinn 12340 Evelyn Baycol 0.2 mg #100, 1 daily5/6/02 Quinn 12350 Evelyn Amaryl 2 mg #60, 1 qd7/7/02 Quinn 12369 Evelyn Tylenol #3 # 30, ii tid, prn
Doc Rogers, M.D.12 Desiard Street
Amarillo, TX-79119Phone No. 555-1234
Name : Evelyn Bradley Age: 18 yrsAddress : 20 Main Street, Monroe Date : 7/9/02
Omnicef 300 mg
Sig: ibid, 7 days
REFILL 1
DAW DRogers DEA #DR1234567
8.
NORTHEAST PHARMACY822 Coulter Street
Amarillo, TX-79106 555-0342
# 123456 Date: 7/9/02Bradley, Evelyn20 Main StTake one tablet twice daily for seven daysOmniceff 300 mg # 18 D. Rogers, M.D.
80 Essential Math and Calculations for Pharmacy Technicians
Howard Huxtable, M.D.20 Sheldon Street
Amarillo, TX-79119Phone No. 555-1234
Name : Elvis Jackson Age: 52Address : 96 Progress Drive, TX-79119 : 2/28/03
Cortisporin otic solution
10 mL
Sig: iv gtt ad qid
REFILL
DAW √ HHuxtable DEA # AD 0510323
NORTHEAST PHARMACY822 Coulter Street
Amarillo, TX-79106 555-0342
# 123456 Date: 2/28/03Jackson, Elvis96 Progress Dr.Instill six drops in the right eye every fourhoursCortisporin otic suspension #100 cc H. Huxtable, M.D.
9.
Howard Huxtable, M.D.20 Sheldon Street
Amarillo, TX-79119Phone No. 555-1234
Name : Beverly Sharp Age: 36Address : 96 Progress Drive, TX-79119 Date : 1/05/03
Cozaar Tablets 50 mg
# 100
Sig: i qd
REFILL
DAW HHuxtable DEA # AD 0510323
NORTHEAST PHARMACY822 Coulter Street
Amarillo, TX-79106 555-0342
# 123456 Date: 1/05/03Sharp, Beverly96 Progress Dr.Cozaar 100 mg #50 H. Huxtable, M.D.
10.
Identifying Prescription Errors and Omissions 81
Henry Huxtable, M.D.61-40 Flushing Avenue
Monroe, LA 71208Phone No. 555-1234
Name : John Doe Age: 30Address: 96 Havana Blvd., FL 31207 Date: 2/28/02
Zantac 300 mg
Sig: i bid, 15 days
REFILL None
DAW
HHuxtable DEA # AD 7973142
NORTHEAST PHARMACY169 Hillside Avenue
Monroe, LA 71206 555-0342
# 123456 Date: 2/28/02Doe, John96 Havana Blvd.Take one tablet at bed timeRanitidine 300 mg # 40 H. Huxtable, M.D.
11.
Henry Huxtable, M.D.61-40 Flushing Avenue
Monroe, LA 71208Phone No. 555-1234
Name : Baby Gore Age: 8 mo.Address: 96 Havana Blvd., FL 31207 Date:1/18/02
V-Cillin K 250 mg/tablet
Disp. # 28
Sig: i QID until finished
REFILL
DAW
HHuxtableDEA # AD 7973142
NORTHEASTPHARMACY
169 Hillside AvenueMonroe, LA 71206 555-0342
# 123456 Date: 1/18/02Gore, Baby96 Havana Blvd.Take one tablet every six hours until FridayPen-VK 250 mg H. Huxtable, M.D.
12.
82 Essential Math and Calculations for Pharmacy Technicians
Henry Huxtable, M.D.61-40 Flushing Avenue
Monroe, LA 71208Phone No. 555-1234
Name : Pat O'Neal Age: 23Address: 96 Havana Blvd., FL 31207 Date: 2/28/03
Neosynephrine 2.5% 10 mL
Sig: i gtt os tid
REFILL 1
DAW HHuxtable DEA # AD 7973142
NORTHEAST PHARMACY169 Hillside Avenue
Monroe, LA 71206 555-0342
# 123456 Date: 2/28/03O'Neal, Pat96 Havana Blvd.Instill one drop in each nostril three timesdailyMiacalcin H. Huxtable, M.D.
13.
Henry Huxtable, M.D.61-40 Flushing Avenue
Monroe, LA 71208Phone No. 555-1234
Name : Magic Jordan Age: 36Address: 96 Havana Blvd., FL 31207 Date: 2/28/02
Xanax 0.25 #30
Sig: ss tab qd
REFILL
DAW HHuxtable
DEA # AL5052841
NORTHEAST PHARMACY169 Hillside Avenue
Monroe, LA 71206 555-0342
# 123456 Date: 2/28/02Jordan, Magic96 Havana Blvd.Take one-half tablet dailyXanax 0.25 H. Huxtable, M.D.
14.
Identifying Prescription Errors and Omissions 83
Henry Huxtable, M.D.61-40 Flushing Avenue
Monroe, LA 71208Phone No. 555-1234
Name : Gill Bates Age: 2 yrsAddress: 96 Havana Blvd., FL 31207 Date: 1/28/03
Ampicillin 250 mg/tsp
f - V
Sig: tsptid, 10 days
REFILL
DAW HHuxtable DEA# AD 7973142
NORTHEAST PHARMACY169 Hillside Avenue
Monroe, LA 71206 555-0342
# 123456 Date: 1/28/03Khan, Adnan96 Havana Blvd.Take one tablespoonful three times dailyfor 10 daysAmoxicillin 250 mg/5 mL H. Huxtable, M.D.
15.
Henry Huxtable, M.D.61-40 Flushing Avenue
Monroe, LA 71208Phone No. 555-1234
Name : Robin Williams Age: 34Address : 96 Havana Blvd., FL 31207 Date : 1/28/03
Septra DS #20
Sig: i bid, 7 days
REFILL 1
DAW HHuxtable DEA # AD 7973142
NORTHEAST PHARMACY169 Hillside Avenue
Monroe, LA 71206 555-0342
# 123456 Date: 1/28/03Williams, Robin96 Havana Blvd.Take one tablet twice daily for seven daysSulfameth/TMP 400/80 mg # 20 H. Huxtable, M.D.
16.
84 Essential Math and Calculations for Pharmacy Technicians
Henry Huxtable, M.D.61-40 Flushing Avenue
Monroe, LA 71208Phone No. 555-1234
Name : Mary Green Age: 4 mo.Address : 96 Havana Blvd., FL 31207 Date : 1/25/03
APAP Suppositories 1 gr #10
Sig: In. rect q4h, prn fever over 101
REFILL
DAW HHuxtable
DEA # AD7973142
NORTHEAST PHARMACY169 Hillside Avenue
Monroe, LA 71206 555-0342
# 123456 Date: 1/25/03Green, Mary96 Havana Blvd.Insert one suppository rectally four timesdaily for fever over 101
ASA Suppositories 2 gr #10 H. Huxtable, M.D.
17.
Medication profile and a prescription
Evelyn Monroe20 Main StreetMonroe, LA 71201 Allergy: Penicillin, Sulfa
Date Dr. _ # Patient Drug
3/1/02 Quinn 12340 Evelyn Synthroid 0.2 mg #100, 1 daily5/6/02 Quinn 12350 Evelyn Hygroton 2.5 mg #70, 1 qd7/8/02 Quinn 12369 Evelyn Tylenol #3 # 30, ii tid, prn
Doc Rogers, M.D.12 Desiard Street
Monroe, LA-71208Phone No. 555-1234
Name : Evelyn Monroe Age: 18 yrsAddress : 20 Main Street, Monroe Date : 7/9/02
Fiorinal with Codeine # 40
Sig: iqid, 7 days
REFILL 1
DAW DRogers DEA # DR1234567
NORTHEAST PHARMACY169 Hillside Avenue
Monroe, LA 71206 555-0342
# 123456 Date: 7/9/02Monroe, Evelyn20 Main StTake one tablet four times daily for sevendaysFiorinal with Codeine # 28 D. Rogers, M.D.
18.
Identifying Prescription Errors and Omissions 85
Henry Huxtable, M.D.61-40 Flushing Avenue
Monroe, LA 71208Phone No. 555-1234
Name : Elvis Jackson Age: 52Address : 96 Havana Blvd., FL 31207 Date : 2/28/03
Cortisporin otic solution
10 mL
Sig: VI gtt ad qid
REFILL
DAW √ HHuxtable DEA # AD 0510323
19. NORTHEAST PHARMACY169 Hillside Avenue
Monroe, LA 71206 555-0342
# 123456 Date: 2/28/03Jackson, Elvis96 Havana Blvd.Instill six drops in the right eye every fourhoursCortisporin otic suspension #100 cc H. Huxtable, M.D.
Henry Huxtable, M.D.61-40 Flushing Avenue
Monroe, LA 71208Phone No. 555-1234
Name : Beverly Sharp Age: 36Address : 96 Havana Blvd., FL 31207 Date : 1/05/03
Tenormin Tablets 50 mg
# 100
Sig: i qd
REFILL 5X
DAW √ HHuxtable
DEA # AD 0510323
NORTHEAST PHARMACY169 Hillside Avenue
Monroe, LA 71206 555-0342
# 123456 Date: 1/05/03Sharp, Beverly96 Havana Blvd.Tenormin 100 mg #50 H. Huxtable, M.D.
20.
86 Essential Math and Calculations for Pharmacy Technicians
Henry Huxtable, M.D.61-40 Flushing Avenue
Monroe, LA 71208Phone No. 555-1234
Name : John Doe Age: 30Address: 96 Havana Blvd., FL 31207 Date: 2/28/02
Zantac 300 mg
Sig: i bid, 15 days
REFILL None
DAW HHuxtable
DEA # AD 7973142
NORTHEAST PHARMACY169 Hillside Avenue
Monroe, LA 71206 555-0342
# 123456 Date: 2/28/02Doe, John96 Havana Blvd.Take one tablet twice daily for fifteen daysRanitidine 150 mg # 80 H. Huxtable, M.D.
21.
Henry Huxtable, M.D.61-40 Flushing Avenue
Monroe, LA 71208Phone No. 555-1234
Name : Baby Gore Age: 8 mo.Address: 96 Havana Blvd., FL 31207 Date:1/18/02
V-Cillin K 250 mg/tablet
Disp. # 28
Sig: i QID until finished
REFILL
DAW
HHuxtableDEA # AD 7973142
NORTHEAST PHARMACY169 Hillside Avenue
Monroe, LA 71206 555-0342
# 123456 Date: 1/18/02Gore, Baby61-40 flushing AveTake one tablet every six hours until FridayPen-VK 250 mg H. Huxtable, M.D.
22.
Identifying Prescription Errors and Omissions 87
Henry Huxtable, M.D.61-40 Flushing Avenue
Monroe, LA 71208Phone No. 555-1234
Name : Pat O'Neal Age: 23Address: 96 Havana Blvd., FL 31207 Date: 2/28/03
Neosynephrine 2.5% 10 mL
Sig: i gtt os tid
REFILL 1
DAW HHuxtable
DEA # AD 7973142
NORTHEAST PHARMACY169 Hillside Avenue
Monroe, LA 71206 555-0342
# 123456 Date: 2/28/03O'Neal, Pat96 Havana Blvd.Instill one drop in each nostril three timesdailyNeosporine 1.5% H. Huxtable, M.D.
23.
Henry Huxtable, M.D.61-40 Flushing Avenue
Monroe, LA 71208Phone No. 555-1234
Name : Magic Jordan Age: 36Address: 96 Havana Blvd., FL 31207 Date: 2/28/02
Xanax 0.25 #30
Sig: ss tab qd
REFILL
DAW HHuxtable
DEA #AL5052841
NORTHEAST PHARMACY169 Hillside Avenue
Monroe, LA 71206 555-0342
# 123456 Date: 2/28/02Jordan, Magic96 Havana Blvd.Take one-half tablet dailyXanax 0.5 H. Huxtable, M.D.
24.
88 Essential Math and Calculations for Pharmacy Technicians
Henry Huxtable, M.D.61-40 Flushing Avenue
Monroe, LA 71208Phone No. 555-1234
Name : Gill Bates Age: 2 yrsAddress: 96 Havana Blvd., FL 31207 Date: 1/28/03
Ampicillin 250 mg/tsp
f - V
Sig: tsptid, 10 days
REFILL
DAW HHuxtable
DEA # AD7973142
25. NORTHEAST PHARMACY169 Hillside Avenue
Monroe, LA 71206 555-0342
# 123456 Date: 1/28/03Khan, Adnan96 Havana Blvd.Take one tablespoonful three times dailyfor 10 daysAmoxicillin 125 mg/5 mL H. Huxtable, M.D.
Henry Huxtable, M.D.61-40 Flushing Avenue
Monroe, LA 71208Phone No. 555-1234
Name : Robin Williams Age: 34Address : 96 Havana Blvd., FL 31207 Date : 1/28/03
Septra DS #20
Sig: i bid, 7 days
REFILL 1
DAW HHuxtable DEA # AD 7973142
NORTHEAST PHARMACY169 Hillside Avenue
Monroe, LA 71206 555-0342
# 123456 Date: 1/28/03Williams, Robin96 Havana Blvd.Take one tablet twice daily for seven daysSulfameth/TMP 400/80 mg # 40 H. Huxtable, M.D.
26.
Identifying Prescription Errors and Omissions 89
Henry Huxtable
61-40 Flushing AvenueMonroe, LA 71208Phone No. 555-1234
Name : Mary Green Age: 4 mo.Address : 96 Havana Blvd., FL 31207 Date : 1/25/03
APAP Suppositories 1 gr #10
Sig: In. rect q4h, prn fever over 101°
REFILL
DAW HHuxtable
NORTHEAST PHARMACY169 Hillside Avenue
Monroe, LA 71206 555-0342
# 123456 Date: 1/25/03Green, Mary96 Havana Blvd.Insert one suppository rectally four timesdaily for fever over 101°ASA Suppositories 2 gr #10 H. Huxtable
27.
Medication profile and a prescription
Evelyn Monroe20 Main StreetMonroe, LA 71201 Allergy: Sulfa, Codeine
Date Dr. _ # Patient Drug
3/1/02 Quinn 12340 Evelyn Synthroid 0.2 mg #100, 1 daily5/6/02 Quinn 12350 Evelyn Hygroton 2.5 mg #70, 1 qd
Doc Rogers, M.D.12 Desiard Street
Monroe, LA-71208Phone No. 555-1234
Name : Evelyn Monroe Age: 18 yrsAddress : 20 Main Street, Monroe : 7/9/02
Fiorinal with Codeine # 40
Sig: iqid, 7 days
REFILL 1
DAW DRogers DEA # DR1234567
NORTHEAST PHARMACY169 Hillside Avenue
Monroe, LA 71206 555-0342
# 123456 Date: 7/9/02Monroe, Evelyn20 Main StTake one tablet four times daily for sevendaysFiorinal with Codeine # 28 D. Rogers, M.D.
28.
90 Essential Math and Calculations for Pharmacy Technicians
Henry Huxtable
61-40 Flushing AvenueMonroe, LA 71208Phone No. 555-1234
Name : Elvis Jackson Age: 52Address : 96 Havana Blvd., FL 31207 Date : 2/28/03
Cortisporin otic solution
10 mL
Sig: VI gtt ad qid
REFILL
DAW √ HHuxtable
NORTHEAST PHARMACY169 Hillside Avenue
Monroe, LA 71206 555-0342
# 123456 Date: 2/28/03Jackson, Elvis96 Havana Blvd.Instill six drops in the right eye every fourhoursCortisporin otic suspension #100 cc H. Huxtable
29.
Henry Huxtable, M.D.61-40 Flushing Avenue
Monroe, LA 71208Phone No. 555-1234
Name : Betty Sharp Age: 26Address : 12 Main St., TX-79106 Date : 1/05/03
Tenormin Tablets 50 mg
# 100
Sig: i qd
REFILL 5X
DAW HHuxtable
DEA # AD 0510323
NORTHEAST PHARMACY169 Hillside Avenue
Monroe, LA 71206 555-0342
# 123456 Date: 1/05/03Sharp, Beverly96 Havana Blvd.Tenormin 100 mg #50 H. Huxtable, M.D.
30.
Identifying Prescription Errors and Omissions 91
ANSWERS
92 Essential Math and Calculations for Pharmacy Technicians
½
½
½
Identifying Prescription Errors and Omissions 93
½
95
7 Working with Liquid Dosage Forms
LIQUID CALCULATIONS INVOLVING PROPORTIONS
96 Essential Math and Calculations for Pharmacy Technicians
PRACTICE PROBLEMS
Working with Liquid Dosage Forms 97
R
R
R
R
R
R
98 Essential Math and Calculations for Pharmacy Technicians
R
R
R
R
R
Working with Liquid Dosage Forms 99
R
R
z
R
z
R
z
100 Essential Math and Calculations for Pharmacy Technicians
R
Working with Liquid Dosage Forms 101
R
R
z
R
102 Essential Math and Calculations for Pharmacy Technicians
R
R
R
R
z
R
z
Working with Liquid Dosage Forms 103
LIQUID CALCULATIONS INVOLVING DILUTIONS AND CONCENTRATIONS
104 Essential Math and Calculations for Pharmacy Technicians
PRACTICE PROBLEMS
Working with Liquid Dosage Forms 105
106 Essential Math and Calculations for Pharmacy Technicians
METHODS OF ALLIGATION
ALLIGATION MEDIAL
Working with Liquid Dosage Forms 107
R
ALLIGATION ALTERNATE
108 Essential Math and Calculations for Pharmacy Technicians
Working with Liquid Dosage Forms 109
110 Essential Math and Calculations for Pharmacy Technicians
PRACTICE PROBLEMS
Working with Liquid Dosage Forms 111
112 Essential Math and Calculations for Pharmacy Technicians
ANSWERS
LIQUID CALCULATIONS INVOLVING PROPORTIONS
Working with Liquid Dosage Forms 113
CALCULATIONS INVOLVING DILUTIONS AND CONCENTRATION
ALLIGATION
114 Essential Math and Calculations for Pharmacy Technicians
115
8 Working with Solid Dosage Forms
116 Essential Math and Calculations for Pharmacy Technicians
R
PRACTICE PROBLEMS
½
½
Working with Solid Dosage Forms 117
R
R
R
R
R
118 Essential Math and Calculations for Pharmacy Technicians
R
½ ½
ANSWERS
Working with Solid Dosage Forms 119
¼
½
121
9 Adjusting Isotonicity
DISSOCIATION ( i) FACTOR CALCULATIONS
122 Essential Math and Calculations for Pharmacy Technicians
TABLE 9.1Number of Ions, Dissociation Factor (i), and Molecular Weight (M.W.) of Selected Compounds
Ions i M. W.
Adjusting Isotonicity 123
SODIUM CHLORIDE EQUIVALENTS OF DRUG SUBSTANCES
124 Essential Math and Calculations for Pharmacy Technicians
TABLE 9.2Sodium Chloride Equivalents (E) and Freezing Point Depression ( Tf
1%) Values of Selected Compounds
Substance E Tf1%
Adjusting Isotonicity 125
ISOTONICITY ADJUSTMENTS BY SODIUM CHLORIDE EQUIVALENT METHOD
126 Essential Math and Calculations for Pharmacy Technicians
R
R
Adjusting Isotonicity 127
R
R
128 Essential Math and Calculations for Pharmacy Technicians
R
Adjusting Isotonicity 129
R
130 Essential Math and Calculations for Pharmacy Technicians
PRACTICE PROBLEMS
R
Adjusting Isotonicity 131
R
R
R
132 Essential Math and Calculations for Pharmacy Technicians
R
R
R
½
R
Adjusting Isotonicity 133
ISOTONICITY ADJUSTMENTS BY CRYOSCOPIC METHOD
134 Essential Math and Calculations for Pharmacy Technicians
Adjusting Isotonicity 135
R
136 Essential Math and Calculations for Pharmacy Technicians
PRACTICE PROBLEMS
R
Adjusting Isotonicity 137
R
R
138 Essential Math and Calculations for Pharmacy Technicians
Adjusting Isotonicity 139
ANSWERS
140 Essential Math and Calculations for Pharmacy Technicians
141
10 Working with pH and Buffers
pH CALCULATIONS
CONVERSION OF HYDROGEN ION CONCENTRATION TO pH
142 Essential Math and Calculations for Pharmacy Technicians
CONVERSION OF pH TO HYDROGENION CONCENTRATION
Working with pH and Buffers 143
PRACTICE PROBLEMS
144 Essential Math and Calculations for Pharmacy Technicians
BUFFER CALCULATIONS
Working with pH and Buffers 145
pH VALUE OF A BUFFER
146 Essential Math and Calculations for Pharmacy Technicians
MOLAR RATIO OF BUFFER COMPONENTS
Q
Q
Working with pH and Buffers 147
148 Essential Math and Calculations for Pharmacy Technicians
PRACTICE PROBLEMS
Working with pH and Buffers 149
150 Essential Math and Calculations for Pharmacy Technicians
ANSWERS
sa
as
10.002
151
11 Dealing with Reconstitutions
152 Essential Math and Calculations for Pharmacy Technicians
R
Dealing with Reconstitutions 153
PRACTICE PROBLEMS
154 Essential Math and Calculations for Pharmacy Technicians
R
R
R
R
R
R
Dealing with Reconstitutions 155
R
R
R
R
156 Essential Math and Calculations for Pharmacy Technicians
R
Drug Content/Vial Volume of Diluent (mL) Final Volume
¼
½
Drug Content/Vial Volume of Diluent (mL) Final Volume
¼
½
Drug Content/Vial Volume of Diluent (mL) Final Volume
½
Dealing with Reconstitutions 157
R
R
R
Drug Content/Vial Volume of Diluent (mL) Final Volume
¼
½
158 Essential Math and Calculations for Pharmacy Technicians
R
No. of Units/Vial Volume of Diluent (mL) Final Volume
No. of Units/Vial Volume of Diluent (mL) Final Volume
Dealing with Reconstitutions 159
ANSWERS
160 Essential Math and Calculations for Pharmacy Technicians
¼ ½
¼ ½
½
¼ ½
161
12 DeterminingMilliequivalent Strengths
DOSAGE CALCULATIONS INVOLVING MILLIEQUIVALENTS
162 Essential Math and Calculations for Pharmacy Technicians
TABLE 12.1Electolyte Composition of Cellular Compartments
Extracellular Plasma Interstitial Intracellular
�
�
Determining Milliequivalent Strengths 163
TABLE 12.2Valence, Atomic, and Formula Weight and Milliequivalent Weights of Ions
Ion/Formula Valence Atomic Weight mEq Weight
164 Essential Math and Calculations for Pharmacy Technicians
Q
Determining Milliequivalent Strengths 165
PRACTICE PROBLEMS
166 Essential Math and Calculations for Pharmacy Technicians
Determining Milliequivalent Strengths 167
ANSWERS
168 Essential Math and Calculations for Pharmacy Technicians
169
13 Dealing with Calories
170 Essential Math and Calculations for Pharmacy Technicians
TABLE 13.1Caloric Density of Nutritional Substrates
Nutritional Substrate Caloric Density (kcal/g)
Dealing with Calories 171
PRACTICE PROBLEMS
172 Essential Math and Calculations for Pharmacy Technicians
CALCULATIONS INVOLVING NITROGEN, CALORIE:NITROGEN RATIO, AND PROTEIN–CALORIE
PERCENTAGE OF TPN PRODUCTS
NITROGEN
Dealing with Calories 173
CALORIE:NITROGEN RATIO
PROTEIN–CALORIE PERCENTAGE
174 Essential Math and Calculations for Pharmacy Technicians
PRACTICE PROBLEMS
Dealing with Calories 175
176 Essential Math and Calculations for Pharmacy Technicians
ANSWERS
Dealing with Calories 177
179
14 Determining Intravenous Flow Rates
180 Essential Math and Calculations for Pharmacy Technicians
Determining Intravenous Flow Rates 181
182 Essential Math and Calculations for Pharmacy Technicians
PRACTICE PROBLEMS
Determining Intravenous Flow Rates 183
184 Essential Math and Calculations for Pharmacy Technicians
ANSWERS
Determining Intravenous Flow Rates 185
187
15 Working with Insulin and Heparin Products
INSULIN
WORKING WITH INSULIN STRENGTH
188 Essential Math and Calculations for Pharmacy Technicians
Working with Insulin and Heparin Products 189
PRACTICE PROBLEMS
190 Essential Math and Calculations for Pharmacy Technicians
½
⅓
¾
⅔
Working with Insulin and Heparin Products 191
192 Essential Math and Calculations for Pharmacy Technicians
Working with Insulin and Heparin Products 193
¾
HEPARIN DOSAGE
194 Essential Math and Calculations for Pharmacy Technicians
Working with Insulin and Heparin Products 195
PRACTICE PROBLEMS
196 Essential Math and Calculations for Pharmacy Technicians
Working with Insulin and Heparin Products 197
198 Essential Math and Calculations for Pharmacy Technicians
Working with Insulin and Heparin Products 199
200 Essential Math and Calculations for Pharmacy Technicians
ANSWERS
Insulin
Working with Insulin and Heparin Products 201
Heparin
203
APPENDIX AWorking with Temperature Conversions
CONVERSION FROM ˚F TO ˚C
204 Essential Math and Calculations for Pharmacy Technicians
CONVERSION FROM ˚C TO ˚F
Appendix A 205
PRACTICE PROBLEMS
CONVERSION FROM ˚F TO ˚C
CONVERSION FROM ˚C TO ˚F
206 Essential Math and Calculations for Pharmacy Technicians
ANSWERS
207
AAPPENDIX BWorking with Capsule Dosage Forms
½
COMPOUNDING TIPS AND CALCULATIONS FOR FILLING CAPSULES
208 Essential Math and Calculations for Pharmacy Technicians
Henry Huxtable, M.D.61-40 Flushing Avenue
Amarillo, TX 79106Phone No. 555-1234
Name : Sonya Burns Age: 36Address: 96 Havana Blvd., TX 79106 Date: 3/18/03
Hydrochlorothiazide 20 mg Triamterene 40 mg Lactose q.s.
M. ft caps. DTD # 10
Sig: i cap bid, UD
REFILL 1 x
DAW _____ HHuxtable
DEA # AD 7973142
Appendix B 209
Henry Huxtable, M.D.61-40 Flushing Avenue
Amarillo, TX 79106Phone No. 555-1234
Name : Frank Bruno Age: 32Address: 142 Garden Street, TX-79121 Date: 3/16/03
Ephedrine Sulfate 0.30 g Phenobarbital 0.18 g Lactose qs
Ft. caps. M et Div. #12
Sig: i cap bid
REFILL None
DAW HHuxtable
DEA # AD 7973142
210 Essential Math and Calculations for Pharmacy Technicians
PRACTICE PROBLEMS
NORTHEAST PHARMACY169 Hill Avenue
Amarillo, TX-79101 555-0342
L # 123645 Date: 3/16/03Bruno, Frank142 Garden StTake one capsule twice dailyCompounded Capsules #12 H. Huxtable, M.D.
Patrick King, M.D.61-40 Flushing Avenue
Amarillo, TX-79106Phone No. 555-1234
Name : Piper Doe Age: 32Address: 96 Main St., TX-79106 Date: 3/9/03
Aldomet 1.2 g Hydralazine 0.1 g Lactose qs 3.25 g
Ft. caps. # 10
Sig: i cap qid
REFILL None
DAW _______PKing
Lic # 333444Available tablets: Methyldopa 500 mg weighing one grameach, and Hydralazine tablets 50 mg weighing 200 mg each.
.
Appendix B 211
Patrick King, M.D.13 Main St.
Amarillo, TX 79101Phone No. 555-1234
Name : Magic Jordan Age: 32Address: 96 Sheldon St, TX-79106 Date: 3/9/03
Hydralazine HCl 10 mg HCTZ 20 mg Lactose qs
Ft. caps. # xiv
Sig: i 8 A.M., and 4 P.M.
REFILL None
DAW ________
PKing Lic # 333444
Available tablets: Hydralazine HCl 50 mg weighing 200 mg each, and HCTZ 20 mg tablets weighing 160 mg each.
2.
Patrick King, M.D.13 Main Street
Amarillo, TX 79106Phone No. 555-1234
Name : Michael Johnson Age: 32Address: 21 Progress Dr, TX 79106 Date: 3/9/03
CPM 5 mg Pseudoephedrine HCl 40 mg ASA 300 mg Lactose qs ad
Ft. caps. DTD # 12
Sig: i cap q6h
REFILL None
DAW ________
PKing Lic # 333444
Available: Bulk powders of all the ingredients.
3.
212 Essential Math and Calculations for Pharmacy Technicians
Patrick King, M.D.13 Main Street
Amarillo, TX 79106Phone No. 555-1234
Name : Tim Johnson Age: 32Address: 13 Victory Dr., TX 79106 Date: 3/9/03
Dimenhydrinate Pantothenic acid aa 30 mg Thiamine HCl 10 mg Calcium carbonate 100 mg
M. Ft. cap DTD #12 Sig: i cap qid for nausea
REFILL None
PKing Lic # 333444
Available: Bulk powder of dimenhydrinate and pantothenic acid, 25 mg tablets of thiamine HCl weighing 200 mg each,and 500 mg tablets of calcium carbonate weighing one grameach.
4.
Patrick King, M.D.13 Main Street
Amarillo, TX 79106Phone No. 555-1234
Name : Gunn Hermann Age: 34Address: 13 Coulter St, TX 79106 Date: 3/9/03
ASA 175 mg Ephedrine sulfate 20 mg CPM 2 mg
Ft. caps. D.T.D. # 12
Sig: i cap q6h, prn
REFILL None
PKing Lic # 333444
Available: 325 mg aspirin tablets weighing 0.7 g each, 60 mgephedrine sulfate weighing 200 mg each, and 4 mg cpmweighing 150 mg each.
5.
Appendix B 213
Patrick King, M.D.13 Main Street
Amarillo, TX 79106Phone No. 555-1234
Name : Vicky Johnson Age: 23Address: 13 Bell St. TX 79106 Date: 3/9/03
Diphenhydramine HCl 20 mg Prednisone 2. 5 mg Lactose qs ad 300 mg Sig: i cap q8h
M.Ft Cap. DTD XV
REFILL None
DAW
PKingLic # 333444
Available: 50 mg Benadryl capsules weighing 200 mg, and 4 mg prednisone tablets weighing 180 mg each.
6.
Patrick King, M.D.13 Main Street
Amarillo, TX 79106Phone No. 555-1234
Name : Latina Davis Age: 21Address: 21 Bell St., TX 79106 Date: 3/9/03
Simethicone 0.02 g Phenobarb. 0.075 g Magnesium carbonate 0.05 g
M. Ft caps D.T.D. # 12 Sig: ii caps tid & HS
REFILL None
DAW
PKingLic # 333444
Available: 20 mg simethicone tablets weighing 150 mg each,phenobarbital powder, and 500 mg magnesium carbonatetablets weighing one gram each.
7.
214 Essential Math and Calculations for Pharmacy Technicians
Patrick King, M.D.13 Main Street
Amarillo, TX 79106Phone No. 555-1234
Name : Hill Grant Age: 24Address: 2101 WestCliff, TX-79101 Date: 3/9/03
Warfarin sodium 1.5 mg Lactose qs ad 300 mg
M.Ft. Cap D.T.D. # xii
Sig: i qAM
REFILL None
DAW
PKingLic # 333444
Tablets available: 5 mg warfarin sodium tablets weighing150 mg each.
8.
Patrick King, M.D.13 Main Street
Amarillo, TX 79106Phone No. 555-1234
Name : Karl Mailman Age: 5 YrAddress: 13 Bell St., TX 79106 Date: 3/9/03 Weight = 44 lbs
Sulfasalazine 40 mg/kg/24 hours Prednisone 1 mg/cap Lactose qs
Ft. caps. DTD # 15
Sig: Contents of i capsule in applesauce q6h
DAW
PKingLic # 333444
Bulk powders for all the ingredients are available.
9.
Appendix B 215
Patrick King, M.D.13 Main Street
Amarillo, TX 79106Phone No. 555-1234
Name : Dennis Menace Age: 32Address: 2101 Hill Dr., TX 79106 Date: 3/9/03
CPM 2 mg APAP 350 mg Pseudoephed sulfate 30 mg Lactose qs
Ft. caps. DTD # xv
Sig: ii caps, prn for sinus headache
REFILL None
DAW
PKingLic # 333444
Bulk powders are available for all the ingredients.
10.
217
AAPPENDIX CDealing with Pediatric Dosages
BASED ON BODY WEIGHT
BASED ON HEIGHT
BASED ON BODY SURFACE AREA (BSA)
218 Essential Math and Calculations for Pharmacy Technicians
BASED ON AGE
OTHER FORMULAS USED
PRACTICE PROBLEMS
Appendix C 219
ANSWERS
221
AAPPENDIX DPharmacy Business Math
222 Essential Math and Calculations for Pharmacy Technicians
Appendix D 223
PRACTICE PROBLEMS
ANSWERS
225
Index
A
B
C
D
E
F
H
I
226 Essential Math and Calculations for Pharmacy Technicians
L
M
N
O
P
Q
R
S
T