Histology-World!

 

 

 

Histology Testbank: Respiratory 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.
What structure is similar to a "bunch of grapes?
a. Alveolar duct
b. Alveoli
c. Alveolar sac
d. Respiratory bronchiole
e. Terminal bronchiole

2.
Which cell is found in large numbers in the terminal bronchioles?
a. Clara cell
b. Type I pneumocyte
c. Type II pneumocyte
d. Dust cell
e. Brush cell

3.
Which cell type is located at the basal lamina of the olfactory mucosa?
a. Basal cells
b. Brush cells
c. Olfactory cells
d. Sustentacular cells
e. All of the above

4.
Which cell type is most numerous in olfactory mucosa?
a. Basal cells
b. Brush cells
c. Olfactory cells
d. Sustentacular cells
e. None of the above

5.
What type of epithelium is found in the respiratory mucosa of man?
a. Non-ciliated pseudostratified columnar epithelium with goblet cells
b. Ciliated pseudostratified columnar epithelium with goblet cells
c. Simple columnar epithelium
d. Stratified squamous epithelium
e. Transitional epithelium

6.
What type of tissue makes up the "Adam's apple"?
a. Compact bone
b. Spongy bone
c. Hyaline cartilage
d. Fibrocartilage
e. Elastic cartilage

7.
What type of tissue forms the alveoli in the lung?
a. Simple squamous epithelium
b. Simple cuboidal epithelium
c. Simple columnar epithelium
d. Stratified squamous epithelium
e. Pseudostratified epithelium

8.
What type of tissue lines the paranasal sinuses?
a. Simple squamous epithelium
b. Simple columnar epithelium
c. Stratified squamous epithelium
d. Ciliated pseudostratified epithelium with goblet cells
e. Transitional epithelium

9.
In which structure does gas exchange NOT occur?
a. Alveolar duct
b. Alveoli
c. Alveolar sac
d. Respiratory bronchiole
e. Terminal bronchiole

10.
Which cell secretes surfactant?
a. Clara cell
b. Type I pneumocyte
c. Type II pneumocyte
d. Dust cell
e. Brush cell

Click here for answers and detailed explanations.