2024-2025 QUESTIONS WITH VERIFIED
SOLUTIONS.
All of the following donors would be permanently deferred EXCEPT which one? -
CORRECT ANSWER 38-year-old male who received rabies vaccine after a dog
bite 3 months ago
All of the following donors would be permanently deferred: - CORRECT ANSWER
75-year-old male who had acute hepatitis 20 years ago following surgery, 19-y/o
first-time donor who received human growth hormone 12 years ago, and a 24-y/o
donor with a history of a positive test for Hepatitis C from another blood center.
What is the interval between blood donations? - CORRECT ANSWER 8 weeks
The oral temperature of a donor must not exceed which value? - CORRECT
ANSWER 37.5 degrees C
What is the minimum acceptable hemoglobin for blood donors? - CORRECT
ANSWER 12.5 g/dL for allogeneic donors
What is the lowest acceptable hematocrit for allogeneic donors? - CORRECT
ANSWER 38%
What donor meets the requirement for age, pulse, weight, and blood pressure? -
CORRECT ANSWER Age: 32, Pulse: 60, Weight (lb) 185, BP: 110/70
,AAB MT IMMUNOHEMATOLOGY PREP EXAM
2024-2025 QUESTIONS WITH VERIFIED
SOLUTIONS.
How long must a pregnant woman be deferred? - CORRECT ANSWER 6 weeks
postpartum
There is a 12-month deferment for each of the following donors: - CORRECT
ANSWER Donor received a blood transfusion, donor received a tattoo and body
piercing, donor had sex with a person with hepatitis.
There is a 12-month deferment for each of the following donors EXCEPT: -
CORRECT ANSWER Donor received the hepatitis B vaccine
How long must a prospective donor with a history of malaria be deferred? -
CORRECT ANSWER 3 years after cessation of treatment
A lab tech who has a positive tuberculin skin test wants to donate blood. If he/she
meets all the other criteria, how long is the deferral? - CORRECT ANSWER No
deferral as long as there is no other abnormality
All of the following are causes of permanent donor deferral: - CORRECT ANSWER
Confirmed HIV positive, family history of Creutzfedt-Jakob disease, and
intravenous drug user
All of the following are causes of permanent donor deferral EXCEPT: - CORRECT
ANSWER Donor received the hepatitis B vaccine
,AAB MT IMMUNOHEMATOLOGY PREP EXAM
2024-2025 QUESTIONS WITH VERIFIED
SOLUTIONS.
Current testing on all donor blood must include testing for which of the following?
- CORRECT ANSWER Serological test for syphilis
Which one of the following tests is not required by AABB and is therefore optional
during donor blood testing? - CORRECT ANSWER anti-HBc
What is a commonly used screening method for the detection of HIV-1 antibodies?
- CORRECT ANSWER Enzyme-linked immunosorbent assays (ELISA)
Currently required viral hepatitis marker tests include all of the following: -
CORRECT ANSWER Anti-HCV, Anti-HBc, and HBsAg
Currently required viral hepatitis marker tests include all of the following EXCEPT:
- CORRECT ANSWER anti-HAV
When color coding is used for donor blood labels, what color is group A? -
CORRECT ANSWER Yellow
Which infectious agent is least likely to be transmitted by a blood infection? -
CORRECT ANSWER HAV
, AAB MT IMMUNOHEMATOLOGY PREP EXAM
2024-2025 QUESTIONS WITH VERIFIED
SOLUTIONS.
In the very early acute phase of hepatitis, which one of the following tests would
be indicative of onset of a viremic state? - CORRECT ANSWER HBsAg
During the "window period," what is the only marker of HBV infection? -
CORRECT ANSWER Anti-HBc
What is the minimum length of time that the patient's serum must remain positive
for HBsAg before the individual is referred to as a chronic carrier? - CORRECT
ANSWER 6 months
Which viral agent causes the majority of cases of transfusion-associated hepatitis?
- CORRECT ANSWER HCV
All of the following are required viral marker testing for the human
immunodeficiency virus EXCEPT which one? - CORRECT ANSWER HIV-1 p24
antigen
Which virus can be deadly to immunocompromised patients or premature infants?
- CORRECT ANSWER CMV
All of the following organisms have been implicated in bacterial contamination of
donor blood products EXCEPT which one? - CORRECT ANSWER Escherichia
coli