Q
Cyanosis or bluish coloration of skin and mucus membrane depends upon______________?
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A
A. The relative proportion of reduced and oxygenated hemoglobin
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B
B. The absolute amount of reduced hemoglobin
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C
C. Thickness of the skin
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D
D. Fragility of capillaries
Correct Answer:
B. B. The absolute amount of reduced hemoglobin