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HESI LPN · HESI LPN Medical Surgical Nursing · HESI Respiratory System Questions and Answers PDF

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Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

In which organ is carbonic anhydrase crucial for maintaining acid-base balance?

A. Liver

B. Kidneys

C. Heart

D. Pancreas

Correct Answer: Kidneys

Question 2 of 5

Total alveolar surface area is reduced in

A. lung cancer

B. atelectasis

C. emphysema

D. pneumothorax

Correct Answer: emphysema

Question 3 of 5

The atmospheric pressure at sea level is

A. 1,000mm Hg.

B. 760mm Hg.

C. 540mm Hg.

D. 400mm Hg.

Correct Answer: 760mm Hg.

Question 4 of 5

A nurse is preparing to obtain a sputum specimen from a client. Which of the following nursing actions will facilitate obtaining the specimen?

A. Limiting fluids.

B. Having the client take three deep breaths and cough deeply.

C. Asking the client to spit into the collection container.

D. Asking the client to obtain the specimen after eating.

Correct Answer: Having the client take three deep breaths and cough deeply.

Question 5 of 5

A nurse teaches a client who is prescribed nicotine replacement therapy. Which statement should the nurse include in this client's teaching?

A. Make a list of reasons why smoking is a bad habit.

B. Rise slowly when getting out of bed in the morning.

C. Smoking while taking this medication will increase your risk of a stroke.

D. Stopping this medication suddenly increases your risk for a heart attack.

Correct Answer: Smoking while taking this medication will increase your risk of a stroke.

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