Many heart attack victims are advised to take a single aspirin every other day. Why? What are blood thinners?

Answer: Blood thinners interfere with the clotting process and thus less likely to clog your arteries and hopefully prevent a heart attack.

Define the 3 general functions of your blood.

1. Transportation of oxygen/carbon dioxide, nutrients, wastes, hormones

2. Regulation of pH, temperature, and osmotic pressure

3. Protection - clotting and WBC providing immunity

What antigens does a person have on their RBC if their plasma has antibody A?

a. A

b. B

c. O

d. A and B

e. No antigens

Answer: b. B

What antibodies does a person with type O blood have in their plasma?

a. A

b. B

c. A and B

d. No antibodies

e. Not enough information to answer

Answer: c. A and B