Question

1. the major components of blood include all except: a. erythrocytes b. lymphocytes c. leukocytes d. thrombocytes e. plasma 2. on average a person contains about _ liters of blood a. 2 b. 8 c. 12 d. 5 e. 50 3. erythrocytes primary function includes a. immune response b. transportation of electrolytes c. transportation of oxygen d. blood clotting e. water balance 4. a typical leukocyte count would be _ cells per mm³ a. 4 - 6 million b. 40 - 60 million c. 5000 d. 500

Explanation:

1. Blood major components are plasma and formed - elements (erythrocytes, leukocytes, thrombocytes). Lymphocytes are a type of leukocyte but not a major component category on its own.
2. On average, an adult has about 5 liters of blood.
3. Erythrocytes (red - blood cells) are mainly responsible for transporting oxygen.
4. A typical leukocyte count is around 5000 cells per mm³.

Answer:

1. b. Lymphocytes
2. d. 5
3. c. transportation of oxygen
4. c. 5000