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ATI RN · ATI Medical Surgical · Questions of Respiratory System

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Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

The nurse is performing a respiratory assessment of an adult patient and is attempting to distinguish between vesicular, bronchovesicular, and bronchial (tubular) breath sounds. The nurse should distinguish between these normal breath sounds on what basis?

A. Their location over a specific area of the lung

B. The volume of the sounds

C. Whether they are heard on inspiration or expiration

D. Whether or not they are continuous breath sounds

Expert Explanatory Rationale

Correct Answer: Their location over a specific area of the lung

Question 2 of 5

The impulse for voluntary muscles for forceful breathing starts in

A. Medulla (Pons)

B. Vagus nerve

C. Cerebral hemispheres

D. Spinal cord

Expert Explanatory Rationale

Correct Answer: Cerebral hemispheres

Question 3 of 5

What enzyme plays a crucial role in the conversion of COâ‚‚ into bicarbonate (HCOâ‚ƒâ») in red blood cells (RBCs) and plasma?

A. Carbonic oxide synthase

B. Carbonate dehydrogenase

C. Carbonic anhydrase

D. Carbonate synthetase

Expert Explanatory Rationale

Correct Answer: Carbonic anhydrase

Question 4 of 5

Most of the oxygen in the blood is found in the _____.

A. plasma

B. hemoglobin

C. iron

D. capillaries

Expert Explanatory Rationale

Correct Answer: hemoglobin

Question 5 of 5

A nurse assesses a client's respiratory status. Which information is of highest priority for the nurse to obtain?

A. Average daily fluid intake

B. Neck circumference

C. Height and weight

D. Occupation and hobbies

Expert Explanatory Rationale

Correct Answer: Occupation and hobbies

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