A potential donor is questioned regarding her previous medicalhistory, and she states that she has been living in a malarialendemic area for one year doing Peace Corps activities. She justreturned last week.

1. Is this person eligible as a blooddonor?

2. If not, how long must she wait?

EXERCISE 13.2

A potential donor has the following results on a physicalexamination:

Hemoglobin: 14 g/dL

98.9°F

Weight: 150 lb

She states she has had aspirin for a headache that day andreceived hepatitis B immune globulin for a needle stick 3 monthsago.

1. Is she eligible as a blood donor?

2. Is there a deferral time?

EXERCISE 13.3

A 15-year-old girl would like to donate blood for her relative.She weighs 108 lb. Her temperature and hemoglobin are withinacceptable limits.

1. Is she an eligible directed donor?

2. If she were donating for herself for a plannedsurgery, could she donate?

3. What are some of the issues surrounding directeddonations?

EXERCISE 13.4

An 18-year-old student donated for the first time at a blooddrive at his high school.

1. Concerned that he may have contracted HIV before thedonation, what instructions should he follow to prevent his unitfrom being transfused?

2. Why are questions regarding HIV important even whentests are performed to detect the virus?

EXERCISE 14.5

Previous testing on a donor’s computer record indicates CMVantibody–negative. The most recent donation demonstrates thatantibodies are currently present.

1. Can the donor still donate?

2. Why has the CMV antibody test resultchanged?

3. What patients require the transfusion ofCMV-reduced-risk blood products?

4. What alternatives exist in the provision of CMVantibody–negative blood?