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ATI RN · ATI Medical Surgical · Questions About the Respiratory System

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Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

Which statement about the respiratory system is FALSE?

A. Bronchus is lined by respiratory epithelium

B. Bronchioles are a high-resistance part

C. Histamine causes bronchodilation and increases airflow

D. Alveolar cell type 1 is for gas exchange

Correct Answer: Histamine causes bronchodilation and increases airflow

Question 2 of 5

Which of the following does not contain a sinus?

A. frontal bone

B. ethmoid

C. zygomatic bone

D. sphenoid bone

Correct Answer: zygomatic bone

Question 3 of 5

The effect of pH on hemoglobin saturation is known as the

A. Bainbridge reflex

B. Bohr effect

C. pulmonary reflex

D. respiratory effect

Correct Answer: Bohr effect

Question 4 of 5

During internal and external respiration, gases move by

A. osmosis

B. active transport

C. diffusion

D. endocytosis

Correct Answer: diffusion

Question 5 of 5

Exchange of gases between the air and blood is _____ and the exchange of gases between blood and tissue fluid is ______.

A. external respiration; internal respiration

B. external respiration; ventilation

C. internal respiration; external respiration

D. ventilation; internal respiration

Correct Answer: external respiration; internal respiration

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