1. A white blood cell count may be decreased because of: a. A chronic viral infection b. Exposure to toxins    c. Chemotherapy use    d. All of the above 2. The reference or normal range for the...

1. A white blood cell count may be decreased because of:

a. A chronic viral infection

b. Exposure to toxins

c. Chemotherapy use

d. All of the above

2. The reference or normal range for the platelet count is:

a. 4,300 to 10,800/mm3

b. 150,000 to 450,000/mm3

c. 5.0 to 6.5 million/mm3

d. 12 to 14 g/dL