Donor Selection

Question 1

Donors with a history of disease of which body systems___ are excluded from donation.

Answer 1

Heart
Lungs
Kidney
Liver
includes Cancer
includes Abnormal bleeding

Question 2

How long must a donor typically wait between donations?

Answer 2

8 weeks

Question 3

Define: Self exclude

Answer 3

After donation, the donor must be given the opportunity to indicate that the blood collected should NOT be used for transfusion.

Question 4

Minimum age requirement for donation

Answer 4

17 years old minimum. Note: elderly donors can be accepted with physician approval.

Question 5

Maximum oral temperature for donation

Answer 5

37.5° (99.6°F)

Question 6

Minimum acceptable hemoglobin and hematocrit for allogenic donors

Answer 6

Hemoglobin 12.5 g/dL and hematocrit 38%

Question 7

Minimum acceptable hemoglobin and hematocrit for autologous donors

Answer 7

Hemoglobin 11 g/dL and hematocrit 33%. Note final unit must be collected at least 3 days before surgery.

Question 8

Acceptable pulse rate for donors

Answer 8

50-100 beats per minute. Note: pulse of < 50 may be acceptable for athletes.

Question 9

Number of weeks postpartum to qualify as a donor

Answer 9

6 weeks

Question 10

Diseases/conditions that qualify for permanent deferment

Answer 10

History of viral hepatitis
Positive test for HBsAg or other viral marker
History/symptoms of AIDS. participation in high risk behavior
Receipt of injection of bovine insulin from the UK
Receipt of human growth hormone

Question 11

Dane particle

Answer 11

The infectious virus of hepatitis B (HBV)

Question 12

Positive anti-HBs

Answer 12

Indicates recovery and/or immunity. Note: will be positive post recovery and post HBV vaccination.

Question 13

Storage temperature for RBCs

Answer 13

1-6°C

Question 14

Transport temperature for RBCs

Answer 14

1-10°C

Question 15

Expiration times of whole blood or RBCs preserved with CPD

Answer 15

21 days

Question 16

Expiration times of whole blood or RBCs preserved with CPDA-1

Answer 16

35 days

Question 17

Expiration times of RBCs preserved with additives such as Adsol

Answer 17

42 days

Question 18

Expiration time of frozen cryoprecipitate

Answer 18

1 year from date of collection when stored at -18°C or lower

Question 19

Expiration time of frozen plasma

Answer 19

1 year from date of collection when stored at -18°C or lower

Question 20

Storage lesion

Answer 20

Measurable changes that occur in a unit of blood stored between 1-6°C.
Viable cells %: ↓
pH: ↓
ATP: ↓
2,3 DPG: ↓
plasma sodium (Na): ↓
plasma potassium (K): ↑
plasma hemoglobin: ↑