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HESI LPN · HESI LPN Medical Surgical Nursing · HESI Questions Respiratory System

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Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

The 'Adam's Apple' is also known as the:

A. epiglottis of the larynx

B. Laryngopharynx of pharynx

C. thyroid cartilage of the larynx

D. trachea

Correct Answer: thyroid cartilage of the larynx

Question 2 of 5

The bronchioles enter the _____ of the lungs.

A. carina

B. hilus

C. lobules

D. alveoli

Correct Answer: lobules

Question 3 of 5

Hemoglobin

A. tends to release oxygen under warmer temperatures

B. picks up more oxygen the higher its partial pressure.

C. picks up more oxygen when it is saturated

D. will give up oxygen when the partial pressure of oxygen is higher than it is in the lungs.

Correct Answer: picks up more oxygen the higher its partial pressure.

Question 4 of 5

The condition characterized by alveolar fibrosis with difficulty exhaling is _____.

A. bronchial asthma

B. bronchogenic carcinoma

C. emphysema

D. poliomyelitis

Correct Answer: emphysema

Question 5 of 5

The respiratory center is directly sensitive to:

A. elevated carbon dioxide

B. elevated carbon dioxide and hydrogen ions

C. elevated hydrogen ion

D. low oxygen levels

Correct Answer: elevated carbon dioxide and hydrogen ions

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