Histology-World!

 

 

 

Histology Testbank: Respiratory System 2

 

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 part of the respiratory tree is the functional unit where gas exchange occurs?
a. Alveolar duct
b. Alveoli
c. Alveolar sac
d. Respiratory bronchiole
e. Terminal bronchiole

2.
Which cell type is involved in general sensation of the olfactory mucosa?
a. Basal cells
b. Brush cells
c. Olfactory cells
d. Sustentacular cells
e. All of the above

3.
What type of cells are found in the olfactory mucosa?
a. Basal cells
b. Brush cells
c. Olfactory cells
d. Sustentacular cells
e. All of the above

4.
What type of tissue makes up the rings of the trachea?
a. Compact bone
b. Spongy bone
c. Hyaline cartilage
d. Fibrocartilage
e. Elastic cartilage

5.
Which cell is a squamous pulmonary epithelial cell?
a. Clara cell
b. Type I pneumocyte
c. Type II pneumocyte
d. Dust cell
e. Brush cell

6.
Which cell is also called an alveolar phagocyte?
a. Clara cell
b. Type I pneumocyte
c. Type II pneumocyte
d. Dust cell
e. Brush cell

7.
Which is structure is NOT part of the conducting portion of the airway?
a. Bronchi
b. Larynx
c. Trachea
d. Larynx
e. Respiratory bronchioles

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

9.
What is an olfactory cell?
a. Unipolar neuron
b. Bipolar neuron
c. Multipolar neuron
d. Supporting cell
e. None of the above

10.
Which type of cartilage is found in the larynx?
a. Hyaline cartilage
b. Elastic cartilage
c. Fibrocartilage
d. Both a and b
e. All of the above

Click here for answers and detailed explanations.