✔ Correct Answer: A. 4.5 to 6.2 million

The correct answer to the question “The expected number of RBCs in a single drop, or microliter, of blood is ____ million in Men.” is 4.5 to 6.2 million. This question belongs to Everyday Science. Practice the related questions below to master this topic for your FPSC, PPSC and NTS tests.