NCLEX Question of the Day

March 19, 2026

Physiological Adaptation QID 646

A patient presents with suspected carbon monoxide poisoning. Which symptom is most characteristic of this condition?

A:
Cyanosis.
B:
Cherry red skin coloration.
C:
Pallor.
D:
Jaundice.

Explanation

Cherry red skin is a hallmark sign of carbon monoxide poisoning, due to the CO binding with hemoglobin. The other symptoms are associated with different conditions.

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