Which of the following is a late sign of hypoxia?

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Multiple Choice

Which of the following is a late sign of hypoxia?

Explanation:
Cyanosis is a late sign of hypoxia. When oxygen levels start to fall, the body first shows early indicators such as restlessness and anxiety, reflecting nervous system distress, along with a compensatory response like tachycardia to improve oxygen delivery. Only as hypoxia becomes more severe do deoxygenated hemoglobin levels rise enough to give the skin, lips, or mucous membranes a bluish tint. Because cyanosis can be influenced by skin color and perfusion, it often appears after other signs have already emerged, signaling a more advanced problem.

Cyanosis is a late sign of hypoxia. When oxygen levels start to fall, the body first shows early indicators such as restlessness and anxiety, reflecting nervous system distress, along with a compensatory response like tachycardia to improve oxygen delivery. Only as hypoxia becomes more severe do deoxygenated hemoglobin levels rise enough to give the skin, lips, or mucous membranes a bluish tint. Because cyanosis can be influenced by skin color and perfusion, it often appears after other signs have already emerged, signaling a more advanced problem.

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