Airway & VentilationQuestion 13 of 100

Cyanosis (bluish skin, lips, or nail beds) is a sign of:

a.Inadequate oxygenation
b.Excellent perfusion
c.Hyperventilation only
d.Normal skin in cold weather with no clinical concern

Explanation

Cyanosis reflects poor oxygenation of the blood and is a late, serious sign of hypoxia. It requires immediate airway management and oxygen therapy.

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