Pulmonary Histology Test

1.

1 point

Which of the following structures have a complete ring of cartilage in them? (Andrews, Resp. Histology Lab)

Trachea

Bronchi

Larynx

Bronchioles

2.

1 point

Which structure does NOT have associated smooth muscle? (Andrews, Resp. Histology Lab)

Bronchi

Trachea

Larynx

Bronchioles

3.

1 point

Which muscle is most closely involved in the human cough response? (Andrews, Histology Lab)

Bronchiolar muscle

Epiglottis muscle

Nasopharyngeal muscle

Trachealis muscle

4.

1 point

Which pleural layer is responsible for the elastic recoil of the lungs upon expiration?

Parietal pleura

Fibrous pleura

Serous pleura

Visceral pleura

5.

1 point

True or False: Elastic fiber concentration is inversely proportional to the diameter of the conducting tubule. (Andrews, Resp. Histology Lab)

True

False

6.

1 point

Kartagener's syndrome would most likely impact which of the following cell types? (Andrews, Resp. Histology Lab)

Basal cells

Brush cells

Goblet cells

Ciliated cells

7.

1 point

Which of the following is NOT a part of the blood-air barrier? (Andrews, Histology Lab, pg 9)

The surfactant produced by type II pneumocytes

The fused basal lamina of epithelial and endothelial cells

The cytoplasm of type I pneumocytes

The cytoplasm of endothelial cells

All of the above are part of the blood-air barrier

8.

1 point

The Glands of Bowman are associated with cleaning which region of the respiratory system? (Andrews, Resp. Histology Lab)

Olfactory region

Conducting region

Respiratory region

Sensory region

9.

1 point

True or False: The musculature of both the bronchi and bronchioles is under the control of the phrenic nerve and the sympathetic nervous system.

True

False

10.

1 point

Which of the following is NOT a role of surfactant in the lungs? (Andrews, Histology Lab, pg 10)

Increasing the surface area for gaseous diffusion

Killing bacteria

Decreasing the interalveolar surface tension

Facilitating the transport of gases between liquid and gaseous phases

11.

1 point

Drainage from alveolar infections proceeds from the alveolar epithelium through the interalveolar walls and into the lymphatic system. (Andrews, Histology Lab, pg 9)

True

False

12.

1 point

Which of the following cell types are NOT found in an alveolar duct? (Andrews, Histology Lab Tutorial, ~slide 40?)

Macrophages

Reticular Fibers

Type I pneumocytes

Type II pneumocytes

Septal cells

All of the above are present in alveolar ducts

13.

1 point

Contraction of the bronchiolar muscle is believed to be associated with what clinical condition?

Asthma

Chronic Obstructive Pulmonary Disorder (COPD)

Pneumonia

Emphysema

14.

1 point

Clara cells are typically located in which respiratory structure? (Andrews, Histology Lab)

Alveoli

Terminal bronchioles

Respiratory bronchioles

Bronchi

15.

1 point

Which of the following is NOT a function of the conducting portion of the respiratory system? (Andrews, Resp. Histology Lab)

Cardiovascular gas exchange

Air conditioning

Vocalization

Olfaction

16.

1 point

These large venous plexuses are responsible for regulating the flow of air through the nasal passages. (Andrews, Resp. Histology Lab)

Vibrissae

Swell bodies

Vistibulae

Conchae

17.

1 point

The true vocal cord is controlled by which type of muscle? (Andrews, Histology Lab)

Skeletal muscle

Mixed smooth and skeletal muscle

Smooth muscle

Cardiac muscle

18.

1 point

Which structure has the most abundant concentration of goblet cells? (Andrews, Resp. Histology Lab)

Respiratory bronchioles

Nasal Fossae

Trachea

Bronchi

19.

1 point

Which conchae are NOT covered with respiratory epithelium?(Andrews, Resp. Histology Lab)

Inferior

Middle

Superior

All levels of conchae are covered with respiratory epithelium

20.

1 point

Which of the following sinuses is NOT covered with respiratory epithelium? (Andrews, Resp. Histology Lab)

Frontal

Ethmoidal

Sphenoidal

Maxillary

All sinuses are covered with respiratory epithelium

21.

1 point

"Dust cells" are derivatives of which type of cell?

Bowman cells

Type II pneumocytes

Macrophages

Clara cells