Red blood cells carry oxygen from your lungs to the rest of your body. Normal red blood cell levels (RBC) for men are 4.5 million to 6.2 million cells/μl. If an RBC is reported to be 5.3 million cells/μl, how many red blood cells are in 1 ml of this blood?
A) 5.0 billion cells
B) 5.4 billion cells
C) 5.1 billion cells
D) 5.5 billion cells
E) 5.3 billion cells

Question

Quizplus · Accepted Answer

5.3 million cells/μl translates directly to 5.3 billion cells/ml, as there are 1,000,000 μl in a ml.

Red Blood Cells Carry Oxygen from Your Lungs to the Rest