Multiple choice

What is the approximate number of RBCs in human infants?

  1. 5.5 - 6.5 million

  2. 4.5 - 5.5 million

  3. 6 - 7 million

  4. 4.5 - 5.0 trillion

  5. 7 - 8 million

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The approximate number of RBCs in human infants is 6 - 7 million per cubic mm.