MS-I Histology Exam 2 Misc

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MS-I/H401 - 2nd Written Exam - October 16, 1995 Form D Page 3

·10. Regarding endothelium, the term "discontinuous" classicallyrefers to the presence of

A. poresB. f e n e s t r a t i o n sC. littoral or phagocytic cells

( i j . spaces between adjacent cells

"E. A and B

11. In life, the endothelium of the aorta is

A. columnar/8) cuboidal'C. discontinuousD. fenestratedE. lacking or absent

12. A glomus is a/an

A. Type I capillary

B. Type II capillaryC. fenestrated sinusoidD. preferred capillary channel~~ arteriovenous anastomosis

13. Cells and fibers within the of blood vessels arepredominantly c~rcular with respect to the lumen.

14.

D.E.

t uni ca a dve nt it iatunica mediatunica intimaA and C

A,B, and C

capillaries of the vasa vasorum of the aorta extend

A.

B.

only into the adventitiainto a greater percentage of the total wall than in amuscular arteryinto a lesser percentage of the total wall than in amuscular arteryto the internal elastic laminato the endothelium

D.E.

15. Which of the following is llQt a component of the stroma of a

lymph node?

E.

CapsuleTrabeculaeLymphocytesReticular cellsReticular fibers



- 2nd Written Exam - October 16, 1995 Form D Page 4

16. The most prominent layer of the inferior vena cava is the

A. endothelium

B. intimac. media

\~adventitia

, /

external elastic lamina

17. The internal elastic lamina is easiest to id~ntify in alan

A.

B.ttllI~

- - D .

E.

aortavena cava

medium-sized artery

medium-sized veinarteriole

18. The conducting system (Purkinje fibers) of the heart is mainlylocated in the layer.

A.

t~

D.E.

19.

,(~)\B'.

C.

D.E.

endocardialsubendocardial

inner myocardial

outer myocardialepicardial

which of the following tonsils is characterized by ciliated

pseudostratified columnar epithelium?

Pharyngeal tonsilLingual tonsilPalatine tonsil

A and BA, Band C

20. Select the corr~~t statement regarding the blood/lymph supply ofthe lymphat1corgans?

' r ..A. Postcapillary venules with a cuboidal endothelium are -,~.~.---"

characteristic of the tonsils. ,,/~- ~7

Afferent lymphatics are associated with lymph nodes O n lY ,' ;" ,~ ,- -- ) \Splenic sinusoids have a continuous endothelium. //The blood-thymic barrier is found in the thymic medullac~~:-..-~~

Sinuses in the lymph node carry blood. . )D.

E.- _ . _ - - , . - i -

21. When stimulated, a B-Iymphocyte reverts to a lymphoblast and

produces memory cells and

A. cytotoxic lymphocytes

B. 'killer' lymphocytesC. macrophages

D. reticular cells/E.) plasma cells'<,-/



MS-I/H401 - 2nd Written Exam - October 16, 1995 Form 0 Page 7

34. Respiratory epithelium contains

A.

~.

' 0 :E.

Type I alveolar cells

Type II alveolar cellsciliated cells

macrophages

A and B

35. Normally, keratinized mucous membrane is only found on the

(j;).B.

~E.

inside of the lip

underside of the tongue

gums

esophagus

cheeks

36. which cell ha$ a Tomes' process?'", -".

{ I \

\ i r r~ ' : ' . 1 ; . ) -. ,c' B.

">(~.C~, .

.

AmeloblastMesenchymal cellCementocyteOdontoblast

Sensory neuron

37. A secretory duct of a salivary gland is also known as a/an

A.

B.

(~

E.

intercalated duct

intercalated disc

striate duct

interlobular duct

excretory duct

38. Which does not have contact with the periodontal membrane?

A.B.

~

E.

cementumY.Bone YDentin

Blood vessels/Nerves =;

39. Extehsive intracellular canaliculi are present incells.

A.

~

D.~

goblet

parietalenteroendocrine

gastric chief

neck mucous



MS-I/H401 - 2nd written EXam - October 16, 1995 Form D Page 8

40. The mucosa of the digestive tract does not include

A. lamina propriaB. smooth muscle

0 ganglion cellsD. glands

E. villi

41. The glandular portions of the esophageal proper glands arelocated

A. extramurally

between layers of the muscularis externain the submucosain the lamina propria

Two of the above are correct.

42. Cardiac glands of the stomach are composed predominantly ofcells.

parietalchief

enteroendocrinemucousNone of the above

are found in both the small and large intestine.

A. Villi r .

5. Valves of Kerckring~( § I . Absorpti ve cells or enterocytesD. M-cells ~-' .

E. Plicae semilunaris ~.

43.

44. Fundic glands do not contain

(~

B.

C.D.

E.

cells.

surface mucous

neck mucousenteroendocrineparietal

gastric chief

45. Gastric pits

i!y1

B.

c.D.

E~

extend deeper into the lamina propria as you go distally in

the stomachextend deepest proximally and get shallower as you go

distallyare found at the bottom of the glandsare transitory structures, as distention removes them

More than one of the above are correct.

- -



MS-I/H401 - 2nd Written Exam - october 16, 1995

,

Form 0 Page 9

46. Which type of folding of the gut epithelium involves thesubmucosal layer?

If:c.D.E.

Plicae circulares

Crypts

villi

Microvillipits

47. Which is ngt characteristic of, or found in the wall of, thecolon?

~C.D.E.

VilliMucosal glandsSmooth muscleGoblet cellssimple columnar epithelium

, - ,

48. Glands of Lieberkuhn; with an abundance of goblet cells, arediagnostic of

A.B.C.

(~:

pyloric stomach

jejunumduodenum

colonilium

49. The striate border of gut epithelium indicates the presence of

A. goblet cells

, B ) . \ microvilli'C. villiD. basal infoldingsE. a fuzzy coat

50. The life span of an enterocyte is

A. minutesB. hours

~ days·D. weeksE. months



I HISTOLOGY EXAM II, Octob~r 15, 2001 Version A Pag

25: Which of the following would not be found within a keratinocyte?

A. Keratohyalin granulesB. Tonofilaments

l.>: c. Membrane-coating granules

C _ (li) Melanin

E. All of the above can be found in a keratinocyte.

26. The diagnostic feature of the jejunum (in comparison to the rest of the small intestines) is the

A. presence of plicae circulares

B. presence of villi

c. presence of submucosal glands

D. presence of large aggregates of lymphoid tissue

t!)absence of both submucosal glands and large aggregates of lymphoid tissue

2 7 . Type Ipneumocytes are in shape.

A. high columnar

B. low columnarc. high cuboidallow cuboidalsquamous

28. Which of the following layers would contain the most collagen fibers?

A. Stratum corneumB. Stratum spinosum

C ;. Papillary layer of the dermis

C o ? Reticular layer of the dermis

E. Hypodermis

Regarding the hematocrit, _

~A_., the average value of the hematocrit in a female is greater than that of a male./B.·'the hematocrit in a male is equal to or slightly less than half the blood volumeI·,S. it is synonymous with the buffy coat

'b.\ it is the percentage of the blood volume that is occupied by leukocytes'E." it includes the plasma

30. The epidermal-melanin unit is formed by what two types of the cells?

29.

31 .

A. Melanocytes and Langerhans cellsB, _ Melanocytes and Merkel cells

<£) Melanocytes and keratinocytesD. Langerhans cells and keratinocytesE. Merkel cells and keratinocytes

Chief cells of the stomach produce _

A. Hel (hydrochloric acid)

B. hormonesc. lysozyme

D. mucus~) pepsinogen



MS-I HISTOLOGY EXAM II, October 15, 2001 Version A

32. Regarding the heart, __ ~_

A. the outer layer of the pericardium is synonymous wirl- the visceral layer of the serouspericardium

B. the coronary vessels course in the subepicardial layer of the pericardiumc. Purkinje cells are modified cardiac muscle cells that are part of the conducting system

D. valves have a core of dense connective tissue covered with endocardium on both sides{ ~ J . All of the above are correct.

33. The epidermis ofthin skin _

{i)is avascular (contains no blood vessels)B. is a simple squamous epithelium

c. lacks a stratum corneum layerD. is formed by dense irregular connective-tissue

E. None of the above is correct.

34. Which of the following cells found in the bone marrow is the least differentiated (i.e. has the greate

potential to develop into a variety of blood cell types)?

(j) Pluripotential stem cellB. Lymphoid stem cellc. Myeloid stem cellD. Progenitor cellE. Precursor or blast cell

35. The parenchyma ofthe liver is arranged in plates that radiate out from the _

central veinsbranches of the hepatic artery

c. branches of the portal veinD. tributaries of the hepatic bile duct

E. portal areas

36. Which of the following are associated with a respiratory alveolus?

A . SurfactantB. Alveolar macrophages

c. AirD. Alveolarpores

( : 9 All of the above are correct.

37. Dentinal tubules contain the processes of _

A. ameloblastsB. cementocytesc. fibroblasts

@ . odontoblasts

E. osteoblasts

38. Mature granulocytes _

'A are distinguished from one another primarily on the basis of their size~ include basophils, which are the most numerous typec, have a round or oval nucleusID.')migrate from the blood into the tissuesE ,. are smaller than red blood cells

-,



I HISTOLOGY EXAM II, October 15, 2001 Version A page

Which of the following statements concerning the blood supply of the liver is true?

'k';--The hepatic arteries supply the bulk of the blood to the liver.

-~ The hepatic arteries bring nutrient-rich blood to the liver f r o m t h e g u t.=. The blood supplied by the hepatic arteries and hepatic portal vein remain separate until

mixing in the central veins. .

(J.The blood supplied by the hepatic arteries and hepatic portal vein mixes in the sinusoids.

E. The central veins drain into the hepatic portal vein.

39.

40. The esophageal proper glands are associated with the of the esophagus.

' A _ , _ _ _ adventitia

41.

B. serosa\,'€--. muscularis externa

@ . submucosa

(fJ) lamina propria; _ _ _ ' \ ( ! j

Which of the following is.ruU a leukocyte?

A.

Neutrophi!B. Monocjtec. Lympho~yte

C D c ? ReticulocyteE. Basophil

42. The secretory granules of enteroendocrine cells are located-----\/ # toward the apical side of the cell

\.

~~__;1 B. toward t h : basal side of the cell__! c. mostly adjacent to the nucleus

D. evenly distributed throughout the cell cytoplasm

E. Enteroendocrine cells do not contain secretory granules.

43. Which of the following is characteristic of the bronchiole?

~ Its epithelium is formed mostly by squamous cells.4) Small plates of cartilage are found in its walls.c. Its lamina propria contains smooth muscle under the control of the autonomic nervous

system.~ Moving from larger bronchioles to smaller bronchioles, the cilia disappear before the

goblet cells disappear, which results in mucus getting trapped in the smaller bronchioles.

~ The terminal bronchiole is a transitional structure, partly conducting and partlyrespiratory in function.

44. The predominant distinguishing feature in a large-sized conducting artery is the presence of

A. vaso vasorumB. multiple layers of smooth muscle in the tunica media

c. an internal elastic lamina® 50-70 concentric fenestrated sheets of elastic laminae in the tunica mediaE. a subendothelial layer



MS-I HISTOLOGY EXAM II, October 15, 2001 Version A

45. Taste buds are l lQ1 associated with ~~~~_ papillae.

A. circumvallate(B.,~iliform

C . foliateD. fungiform

E. Taste buds are associated with all lingual papillae.

46. Gut-associated lymphatic tissue is generally associated with the of the gut.

A. adventitia

B. serosac. muscularis extern a

D. submucosatE) lamina propria

47. Which of the following is l lQ1 found in the core of an intestinal villus?

.~ .., ..! A I Blood capillariesB. Lamina propria

c. Lymphatic capillariesD. Submucosa

E. Nutrients that have passed through the epithelium

48. Which of the following statements concerning the gall bladder is true?

A. The epithelium has abundant goblet cells.

B. The muscularis extern a is divided into an inner circular and an outer longitudinal layer.

@ The gall bladder releases bile under the influence of a hormone produced byenteroendocrine cells of the small intestines.

D. The gall bladder has a pseudostratified columnar epithelium.

E. The only function of the gall bladder is storage of bile.

49. Which of the following occurs in the development of a red blood cell?

A. Decrease in cell size

B. Condensation and loss of the nucleusc. Decrease in the amount of polyribosomesD. Increase in the amount of hemoglobin

Ci) All of the above are correct.

A. Cytoplasm of type I pneumocytes

@ Cytoplasm of type II pneumocytes

c. Cytoplasm of endothelial cellsD. Fused basal laminae of type Ineumocytes and endothelial cells

E. A ll of the above are correct.

50. Which of the following is!1Q1part of the blood-air barrier at its thinnest point?



M~-H401/2nd written Exam - oct. 17, 1994 Form B Page 3

11. Type II capillaries have -----A. no intercellular junctions

~~ fenestrations of approximately 100 nm diameter

c. a lumen diameter of ZO-30 m i c r o m e t e r sD. an absence of a basal laminaE. A and B

12. Which is not true regarding pericytes?

A. They are found in conjunction with a capillary.B. They contain a single nucleus.

c . They produce a basal lamina.

~~. They are smooth muscle cells.

E. They are able to contract.

13. Which is characteristic of all capillaries, sinusoids and blood

sinuses?

A. continuous squamous cells

B. FenestrationsC. Macula occludens

D. Zonula occludens~ Endothelium

14. Type I f continuous capillaries are llQt found in the

A.

~B)c.D.E.

connective tissue of skinadrenal gland

interalveolar septum of lung

stroma of cardiac muscle

deltoid muscle

15. Fibers and cells in the tunica intima have an orientation which

is with respect to blood flow in the lumen.

! , , & parallel (longitudinal)B. at right angles (circumferential)c. totally random

D. obliqueE. A and B

16. Most of the muscle in a vein is

A. in the media~. in the intima~ oriented parallel to blood flowD. oriented at right angles to blood flow

E. striated muscle



17. The thickest endothelium.

found.

1.S 1.n

A. muscular arteriesB. medium veinsC. large veins

< J ! 1 elastic arteriesE. the heart

18. An example of a blind- ending vessel is a

A. sinusoidB. portal veinC. portal arteryD. type I capillary

~ lacteal

(

S-H401/2nd written Exam - Oct. 17, 1994 Form. B Page 4

19. Cells which produce the internal elastic lamina of an artery arenourished by

(~ diffusion of nutrients from its lumen'i(. diffusion of nutrients supplied by the vasa vasorum

c. adjacent capillary bedsD. adjacent sinusoidal bedsE. None of the above

20. Most multicellular glands in the bronchial tree are found inassociation with -----A. alveoliB. terminal bronchioles

( f ) parts of the bronchial tree which contain cartilageD. simple columnar epitheliumE. respiratory membranes

21. Surfactant is produced by

A.

B.C.

~

goblet cellsglandstype I alveolar cellstype II alveolar cellsAll of the above

22. Valves of the vascular system are composed of

A. connective tissue only~ intimaC. intima and mediaD. intima, media and adventitiaE. connective tissue of the adventitia



-H401/2nd written Exam - Oct. 17, 1994 Form B page 5

Respiration in lung tissue involves diffusion across all thefollowing except __

A. plasmalemma ,B. type I alvao lar' ··e@ l!!;: .

c . cytoplasm® type II endothelial cells

E. basal lamina

24. The thick basement membrane found in the. t rachea is composed of

A. basal laminaB. basal lamina and the majority of the lamina propria

~ basal lamina plus a cell-free connective tissue layerD. elastic lamina ( elastic tissue)E. mucoperichondrium

25. Select the correct statement. Lymphatic ( lymphoid) tissue

26.

A.B.c .

is a form of connective tissueis found in diffuse and nodular formsmay be found in the walls of organsis the site of lymphocytopofesisAll of the above are correct.

cells are not found in respiratory epithelium.

A.B.

~

E.

ClaraDense- core granuleAlveolarGobletCiliated

"I,,,• I

27. Adenoids are

A. enlarged nasal lymph nodesC ! J enlarged pharyngeal tonsilsc. small masses of ectopic spleen tissueo . another term for the involuted thymic lobesE. histologically similar to hemorrhoids

28. Regarding lymph flow through a lymph node,

A. lymph enters the node at the hilus and flows toward the

capsulethrough the post-capillary

B. lymph enters the venous systemvenule

c. the flow of lymph is extremely rapidpresence of valves in

® flow is unidirectional because of the

- the lymph vesselsE. lymph flows into the medullary cords, not medullary sinuses



MS-H401/2nd Written Exam - Oct. 17, 1994 Form B Page 6

29. Lymphatic nodules are characteristic of all of the followingorgans except the _

~ thymusB. spleenc. tonsilD. lymph node

E. All the organs listed have lymphatic nodules.

30. Plasma cells are derived from

A. macrophagesB. fibroblastsC. T-Iymphocytes

~ B-lymphocytesE. monocytes

31. Filtration of blood by the spleen occurs in the ------

A. splenic nodules of the white pulpB. marginal zone of the white pulpc. periarterial lymphatic sheath~ splenic cords (cords of Billroth)E. trabeculae

32. T-lymphocyte areas include the

A. thymic cortexB. inner cortex of a lymph nodec. periarterial lymphatic sheath of the spleenD. A and B

® A, Band C

33. ~t, \- ,(0 \ c d

Myof ibroblast • • • • • • • Splenic capsule « ' \;\- (, • ~ e ' r \ . - : _ C, \ '0 e (SReticular fibers. • • • • • stroma of thymus 'C,.'

Incomplete capsuleo • . . • TonsilTrabeculae. • . . ••• Lymph nodeGALT. . • • • . • • . . . . Gut-associated lymphatic

select the incorrect pairing.

A.

~C.D.E. tissue

34. Long, fusiform endothelial cells with no intercellularjunctions, and a discontinuous basement membrane arecbaracteristics of alan

A. post-capillary venule in a lymph nodeB. arteriole in the lingual tonsil(f) sinus in the spleenD. capillary in the cortex of the thymusE. capillary in the medulla of the thymus.



,HS-H401/2nd W1:i1::ten Exam - Oct: < 17, 1994 Form B Page 7

35. The mucosa of the human as<>phagl.lsdoes H..9t have

h . e mVCQl'S gJ.~.nQSB. a muscular layeF:c. stratified squamous epithelium

D. lamina propria of connective tissue(E~ striated muscle'':_

36. The gastric glands in the cardiac portion of the stomach arecomposed of predominantly cells.

c.

mucousparietal·~chief _:

enteroendocrineciliated "

D.E.

37. The most eosinophilic-staining cells of fundic glands are

A.B.

~

E.

neck mucous cells

the cells that produce pepsinogenthe cells that produce hydrochloric acid\,,-,,,i .

surface mucous cells

argentaffin cells

I - i 38. '1'heouter cortex of a lymph node

A. is associated with T- lymphocytesB. contains only diffuse lymphatic tissue~ is adjacent to the subcapsular (marginal) lymph sinus

Y. contains lymphatic tissue in the form of cordsE. is synonymous with the red pulp

39. In the fundic stomach, are surrounded by theconnective tissue of the lam~na propria.

A. glandsB. pitsc . cryptsD. villi

(~E'~ A and B_ _ _ ,

40.

A.B.c.O.

(5?

When sectioned at; right angles, which would appear as "bristlesof a brush" or"islands" and nQ t "swiss cheese"?

Brunner's qlandsGlands of tieberkuhn

cryptspitsVilli

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MS-I Histology Exam 2 Misc

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