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ATI RN · ATI Medical Surgical · Questions for Respiratory System

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Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

Hoarseness leading to not being able to talk audibly is an infection of which structure?

A. tonsils

B. sinuses

C. larynx

D. eustachian tube

Correct Answer: larynx

Question 2 of 5

What is the hemoglobin saturation and POâ‚‚ in venous blood?

A. 25%, 40 mmHg

B. 100%, 100 mmHg

C. 45%, 60 mmHg

D. 90%, 50 mmHg

Correct Answer: 25%, 40 mmHg

Question 3 of 5

Ascent of high mountains may cause altitude sickness in men. Prime cause for this is _______

A. Decreased proportion of oxygen in the air

B. Decreased partial pressure of oxygen

C. Decreased efficiency of hemoglobin

D. Excess COâ‚‚ in blood

Correct Answer: Decreased partial pressure of oxygen

Question 4 of 5

When you swallow, the epiglottis covers the opening to the

A. pharynx.

B. esophagus.

C. larynx.

D. bronchus.

Correct Answer: larynx.

Question 5 of 5

The voice box is called the ____.

A. Larynx

B. Pharynx

C. Retina

D. Cochlea

Correct Answer: Larynx

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