Histology-World!

 

 

 

Histology Testbank: Gastrointestinal System 3

 

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 contains the lamina propria?
a. Mucosa
b. Sub mucosa
c. Muscularis externa
d. Serosa
e. Adventitia

2.
What is another term for the valve of Kerckring?
a. Lacteal
b. Crypts of Lieberkuhn
c. Plicae circulares
d. Striated border
e. Villi

3.
Which type of papillae on the tongue is the smallest?
a. Filiform papillae
b. Circumvallate papillae
c. Fungiform papillae
d. Foliate papillae
e. All of the above

4.
Where are Peyer's patches located?
a. Esophagus
b. Stomach
c. Small intestine
d. Large intestine
e. Rectum

5.
What type of muscle makes up the muscularis externa in the esophagus?
a. Smooth
b. Striated
c. Cardiac
d. both a and b
e. a, b, and c.

6.
What are mucous surface cells?
a. Simple squamous epithelium
b. Simple cuboidal epithelium
c. Simple columnar epithelium
d. Stratified squamous epithelium
e. Transitional epithelium

7.
Which layer consists of only a single layer of epithelial cells and underlying
connective tissue?
a. Mucosa
b. Sub mucosa
c. Muscularis externa
d. Serosa
e. Adventitia

8.
What is another term for the brush border?
a. Lacteal
b. Crypts of Lieberkuhn
c. Plicae circulares
d. Striated border
e. Villi

9.
Which type of papillae on the tongue is arranged in a "V" shape on the tongue?
a. Filiform papillae
b. Circumvallate papillae
c. Fungiform papillae
d. Foliate papillae
e. All of the above

10.
Which cells secrete intrinsic factor?
a. Parietal cells
b. Oxyntic cells
c. Chief cells
c. Mucous neck cells
e. Both a and b

Click here for answers and detailed explanations.