Histology-World!

 

 

 

Histology Testbank: Gastrointestinal System 5

 

Instructions: For each histology question, pick the one best answer. This histology test bank is also useful for the histology questions on the USMLE (USMLE step 1). Click here for answers and detailed explanations.

1.
Which layer of the gastrointestinal tract contains the gut associated lymphatic
tissue?
a. Mucosa
b. Submucosa
c. Muscularis externa
d. Muscularis mucosae
e. Serosa

2.
Which cells secrete pepsinogen?
a. Parietal cells
b. Oxyntic cells
c. Chief cells
d. Mucous neck cells
e. Both a and b

3.
Which layer contains Meissner's plexus?
a. Mucosa
b. Sub mucosa
c. Muscularis externa
d. Serosa
e. Adventitia

4.
What type of tissue lines most of the gastrointestinal tract?
a. Simple squamous epithelium
b. Simple cuboidal epithelium
c. Simple columnar epithelium
d. Stratified squamous epithelium
e. Transitional epithelium

5.
What type of tissue lines the upper esophagus?
a. Simple squamous epithelium
b. Simple cuboidal epithelium
c. Simple columnar epithelium
d. Stratified squamous epithelium
e. Transitional epithelium

6.
What are the modifications of the muscularis externa that is seen on the large intestine?
a. Teniae coli
b. Crypts of Lieberkuhn
c. Plicae circulares
d. Striated border
e. Villi

7.
Where are Brunner's glands located?
a. Esophagus
b. Stomach
c. Small intestine
d. Large intestine
e. Rectum

8.
What is the primary cell of the intestinal epithelium of the large intestine?
a. Columnar absorptive cell
b. Goblet cell
c. Parietal cells
d. Paneth cells
e. Chief cells

9.
Which region are goblet cells most numerous?
a. Esophagus
b. Stomach
c. Small intestine
d. Large intestine
e. Anus

10.
Where is mesothelium found?
a. Mucosa
b. Sub mucosa
c. Muscularis externa
d. Serosa
e. Adventitia

Click here for answers and detailed explanations.