The expected number of RBCs in a single drop, or microliter, of blood is _________ million in Men.
Correct answer: A. 4.5 to 6.2 million
- A. 4.5 to 6.2 million
- B. 3.4 to 6.8 million
- C. 3.2 to 7.2 million
- D. 4.0 to 5.2 million
Explanation
Adult men commonly have about 4.5–6.2 million red blood cells per microlitre of blood. The range is higher than the usual female range because androgens stimulate red-cell production.
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