Length of Deferral
Measles (rubeola) vaccine
2 week deferral.
Minimum hemoglobin & hematocrit requirements for whole blood donation (for both male and female donors).
Males: Hgb: 13 g/dL; Hct: 39%
Females: Hgb: 12.5 g/dL; Hct: 38%
Minimum hemoglobin and hematocrit for autologous blood donation.
Hemoglobin: 11 g/dL; Hematocrit: 33%
Most common type of autologous blood donation.
Preoperative autologous donation is the most common type of autologous donation.
Length of time for the body to replace fluid lost after the donation of a unit of whole blood.
72 hours.
Use of bovine insulin
Indefinite deferral.
Pulse rate.
50-100 beats/minute.
Apheresis double red cell donation (males)
Male donors: minimum weight is 130 lbs, minimum height is 5 feet, 1 inch
What is the minimum length of time between allogeneic whole blood donations.
8 weeks (56 days).
A prospective blood donor with a reactive nucleic test for hepatitis C would be issued what type of deferral?
A permanent deferral.
Conclusion of pregnancy.
6 week deferral.
Blood pressure.
Systolic: 90-180 mm Hg
Diastolic: 50-100 mm Hg
Apheresis double red cell donation (females)
Female donors: minimum weight is 150 lbs, minimum height is 5 feet, 5 inches
The number of times in the course of a year a person can donate apheresis platelets.
24 times.
What is the value of a prospective blood donor's travel history to, or immigration from endemic areas of the world?
It helps identify and disqualify potential blood donors that may be infected with a disease for which no laboratory screening tests currently exist.
Incarceration in a correctional institution for >72 hours.
12 months.
Temperature requirement
≤37.50C (99.50F)
Hematocrit requirement (both male and female donors) for double red cell apheresis donation.
Both male and female donors must have a hematocrit of 40% or higher.
True or false: Directed donors must meet the same criteria as allogeneic blood donors.
True.
What is the purpose of the "diversion pouch" in blood collection?
To prevent potential contamination with epidermal cells and potential bacteria entering the unit, and for collection of samples for viral marker testing.
Confirmed positive test for hepatitis B surface antigen 8 years ago.
Permanent deferral.
Weight requirement
Minimum 110 lb (50 kg)
Deferral period following apheresis double red cell donation.
Deferral period is 16 weeks following double RBC donation.
True or false: Directed donations from first-degree family members must be irradiated.
True (to prevent TA-GVHD).
Why is frequent mixing of the blood donation with the anticoagulant/preservative in the bag important?
It is critical to avoid the formation of clots.