Question

Which of the following is true regarding hematocrit?

a. Decreases following months of endurance training compared to the pre-training value

b. On average, is 45% at rest in an untrained individual

c. Increases with acute exercise in the heat

d all of the above

e B and C

Answer 1

Following are true regarding hematocrit

A. Hematocrit decreases following months of endurance training compared to the pre-training value, it is called sports anemia, it's not actually anemia there the mass of red blood cell increases and the number slightly decreases.

B. On average, is 45% at rest in an untrained individual(Its the normal value)

C. Increases with acute exercise in the heat (Hematocreat slightly increases just after exercise due to decreased level of plasma volume, it may be due to sweatomg, dehydration, etc)

Answer - d. all of the above