Which component of blood allows oxygen from the air to move from the lungs to the cells of the body?

Define anemia, and give three possible causes.

Which antigens does a person with blood type A− have on the surface of his or her erythrocytes?

a. A antigens

b. B antigens

c. Rh antigens

d. Both a and c are correct.

e. All of the above

Total peripheral resistance:

a. is inversely proportional to the length of the vascular bed

b. increases in anemia

c. decreases in polycythemia

d. is inversely related to the diameter of the arterioles

Predict the effects of each of the following on systemic arterial blood pressure:

The practice of 'blood doping,' which increases the number of red blood cells in the blood