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Anatomy

& Physiology

Specimen Collection Equipment

Specimen Collection Procedure

Specimen Processing

and Handling

Laboratory Operations

Final Jeopardy

Anatomy & Physiology: 100 Question

The system which protects the body from invasion by pathogens, dehydration, and ultraviolet rays is the:

A) endocrine system

B) respiratory system

C) integumentary system

D) digestive system

Anatomy and Physiology: 100 Answer

• Integumentary

system

Anatomy and Physiology: 200 Question

Which of the following tests are used to assess liver function?

A) lipase

B) creatinine

C) amylase

D) bilirubin

Anatomy and Physiology: 200 Answer

Bilirubin

Anatomy and Physiology 300 Question

The extrinsic pathway of coagulation is evaluated by the following test:

A) prothrombin time

B) activated partial thromboplastin time

C) platelet count

D) modified Ivy bleeding time

Anatomy and Physiology 300 Answer

Prothrombin Time

Which of the following structures contains oxygenated blood?

A. inferior vena cava

B) superior vena cava

C) pulmonary artery

D) aorta

Which of the following is an accessory organ of the digestive system?

A) Alveoli

B) Epididymis

C) Liver

D) stomach

Specimen Collection Equipment 100 Question

A) 70% isopropyl alcohol

B) Tourniquet

C) Iodine

D) multi-sample needle

Which of the following is NOT used during routine venipuncture?

Specimen Collection Equipment 100 Answer

Iodine

Yellow stoppered evacuated tubes are appropriate for the collection of blood culture specimens because the additive:

A) prevents platelets from clumping

B) preserves labile factors

C) is a transport media

D) is a clot activator

Is a transport media

Which of the following anticoagulants prevents coagulation by precipitating calcium?

A) EDTA

B) ammonium oxalate

C) sodium citrate

D) ammonium heparin

Ammonium oxalate

Which of the following substances should NOT be used to cleanse a skin puncture site?

A) tincture of green soap

B) 70% isopropyl alcohol

C) 70% isopropanol

D) iodine

• Add Answer

Iodine

Light blue stoppered tubes are the tubes of choice for coagulation studies because the additive:

A) prevents platelet clumping

B) is a glycolytic inhibitor

C) preserves red cell morphology

D) preserves labile factors

Preserves labile factors

Specimen Collection Procedure 100 Question

A phlebotomist has requisitions to draw from a patient: "Reticulocyte count, APTT, ammonia and electrolytes."

What color stoppers should the specimens be drawn in?

Specimen Collection Procedure 100 Answer

• Add Answer 1. Blue

2. Red SST

3. Green

4. Lavender

A patient's blood sample was obtained by venipuncture. The specimen was hemolyzed. What probably caused this condition?

A) residual alcohol left on the site

B) residual iodine left on the site

C) the specimen was not transported properly

D) prolonged tourniquet application

• Residual alcohol

left on the site

Prior to performing a puncture, the antiseptic should be applied:

A) in concentric circles, beginning at the periphery

B) in concentric circles, beginning at the puncture site

C) in a slow back and forth motion

D) in a vigorous up and down motion

In concentric circles, beginning at the puncture site

Prolonged tourniquet application may cause:

A) Hemoglobin

B) Hemolysis

C) Hemoconcentration

D) homeostasis

Specimen Collection Procedure400 Answer

Hemoconcentration

A phlebotomist performs a skin puncture on a patient's finger. The patient's blood runs down his finger. What error caused this situation?

A) the phlebotomist squeezed too hard.

B) the puncture was made perpendicular to the fingerprints.

C) the puncture was made parallel to the fingerprints.

D) the lancet used was too long.

The puncture was made parallel to the fingerprints.

Which department of the clinical laboratory would a red top tube most likely be transported by the phlebotomist?

Specimen Processing and Handling100 Question

A) Microbiology

B) Coagulation

C) Hematology

D) Blood Bank

Specimen Processing and Handling 100 Answer

Blood Bank

Specimen Processing and Handling : 200 Question

Etiologic agents are:

A) specimens that have low protein levels

B) specimens that contain viable microorganisms

C) serrous fluids

D) caustic chemicals

Specimen Processing and Handling : 200 Answer

Specimens that contain viable microorganisms

Specimen Processing and Handling 300 Question

A) Renin

B) Erythrocyte protoporphyrin

C) Amylase

D) platelet count

Which of the following specimens should be transported shielded from the light?

Specimen Processing and Handling: 300 Answer

Erythrocyte protoporphyrin

A) no effect

B) falsely decrease the potassium level

C) falsely increase the potassium level

D) hemolyze the potassium

A specimen was collected in a physician's office for potassium level. The tube was left uncentrifuged in the physician's office overnight and sent to the laboratory the next day. What effect will this delay in processing have on the potassium level?

Falsely increase the potassium level

According to CLSI (formerly NCCLS) guidelines, serum for analysis should not be in contact with cells for longer than:

A) 30 minutes

B) 60 minutes

C) 90 minutes

D) 120 minutes

120 minutes

Laboratory Operations 100 Question

Which of the following specimens would be accepted by the laboratory?

A) a platelet count collected in a lavender top tube

B) a specimen collected for LDH levels that is hemolyzed

C) an unlabeled specimen

D) a lead level collected in a red/SST tube

Laboratory Operations 100 Answer

a platelet count collected in a lavender top tube

What is

troponin T?

A) a coagulation factor

B) an instrument that is used to test T4

C) protein that is released after a myocardial infarction

D) an electrolyte

Protein that is released after a myocardial infarction

If a patient is in enteric isolation, the color of the sign on the door will be:

A) Yellow

B) Blue

C) Green

D) Brown

What is the maximum acceptable contamination rate for blood culture specimens?

A lavender top tube is scheduled to collect 7mL. According to CLSI (formerly NCCLS), what is the acceptable fill range?

A) 6-8 mL

B) 6.1-7.1 mL

C) 6.3-7.7 mL

D) 9-11 mL

6.3-7.7 mL

Final Jeopardy

A phlebotomist performs a venipuncture on a patient, but no blood appears in the tube. When the phlebotomist repalpates the vein, he realizes the needle is located next to the vein, on the right. What is the appropriate course of action?

Final Jeopardy Answer

Pull the needle back, and restick to the left

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