Old Test Questions- GI, Urinary, Male Repro

Question 1

What is a feature of the lining mucosa of the oral cavity?
A. parakeratinized cells
B. stratified squamous epithelium
C. taste buds
D. filiform papillae
E. all of the above are correct responses

Answer 1

B. stratified squamous epithelium

parakeratinized = masticatory mucosa
taste buds = specialized mucosa
filiform papillae = specialized mucosa

Question 2

The pyloric glands secrete \_\_\_\_\_ on the surface of the stomach.
A. pepsinogen
B. gastric intrinsic factor 
C. mucus
D. hydrochloric acid
E. lysozyme

Answer 2

C. mucus

pepsinogen = chief cells (fundic)
gastric intrinsic factor = parietal cell (fundic)
hydrochloric acid = parietal cell (fundic)
lysozyme =???

Question 3

All of the following have a muscularis mucosa layer EXCEPT
A. esophagus
B. fundic stomach 
C. duodenum
D. large intestine 
E. gallbladder

Answer 3

E. gallbladder

page 48

Question 4

8. What pathological change of the small intestine is found in Crohn’s disease?
   A. discontinuous or “skip” regions of diseased intestine
   B. rigid, swollen wall
   C. plasma cells and lymphocytes in the muscularis extemae
   D. areas lacking villi
   E. all of the above are correct responses

Answer 4

E. all of the above are correct responses

Crohn’s disease is a chronic idiopathic inflammatory bowel disease.

Question 5

Which of the following is present in BOTH the lining and masticatory mucosa of the oral cavity?

a. keratin
b. glands in the connective tissue
c. muscularis mucosae layer
d. lingual papillae
e. stratified squamous epithelium

Answer 5

e. stratified squamous epithelium

Masticatory mucosa and luning mucosa both have stratified squamous and CT. However, only masticatory has bone and only lining mucosa has glands and skeletal muscle.

Question 6

The upper esophagus can be BEST differentiated from the lower esophagus by the
presence of
a. skeletal muscle in the muscularis externa layer
b. a muscularis mucosae layer
c. mucous glands in the submucosa
d. a lining ofstratified squamous epithelium
e. lymph nodules

Answer 6

a. skeletal muscle in the muscularis externa layer

The upper 1/3 of the esophagus has skeletal muscle!
The lower 1/3 of the esophagus has smooth muscle!
Middle 1/3 is mixed

Question 7

Which region contains a simple columnar epithelium, permanent lymph nodules, and
Paneth cells?
a. gallbladder 
b. stomach 
c. ileum
d. colon
e. appendix

Answer 7

c. ileum

All of the small intestine has simple columnar epithelium, paneth cells, villi, plicae circularis and goblet cells.