AAB MT Immunohematology Test|
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All of the following donors would be permanently deferred EXCEPT which one? -
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: - 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? - Answer✅✅8 weeks
The oral temperature of a donor must not exceed which value? - Answer✅✅37.5
degrees C
,What is the minimum acceptable hemoglobin for blood donors? - Answer✅✅12.5
g/dL for allogeneic donors
What is the lowest acceptable hematocrit for allogeneic donors? - Answer✅✅38%
What donor meets the requirement for age, pulse, weight, and blood pressure? -
Answer✅✅Age: 32, Pulse: 60, Weight (lb) 185, BP: 110/70
How long must a pregnant woman be deferred? - Answer✅✅6 weeks postpartum
There is a 12-month deferment for each of the following donors: -
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: -
Answer✅✅Donor received the hepatitis B vaccine
How long must a prospective donor with a history of malaria be deferred? -
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? - Answer✅✅No deferral as
long as there is no other abnormality
All of the following are causes of permanent donor deferral: -
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: -
Answer✅✅Donor received the hepatitis B vaccine
Current testing on all donor blood must include testing for which of the following? -
Answer✅✅Serological test for syphilis
Which one of the following tests is not required by AABB and is therefore optional
during donor blood testing? - Answer✅✅anti-HBc
What is a commonly used screening method for the detection of HIV-1 antibodies? -
Answer✅✅Enzyme-linked immunosorbent assays (ELISA)
Currently required viral hepatitis marker tests include all of the following: -
Answer✅✅Anti-HCV, Anti-HBc, and HBsAg
Currently required viral hepatitis marker tests include all of the following EXCEPT: -
Answer✅✅anti-HAV
, When color coding is used for donor blood labels, what color is group A? -
Answer✅✅Yellow
Which infectious agent is least likely to be transmitted by a blood infection? -
Answer✅✅HAV
In the very early acute phase of hepatitis, which one of the following tests would be
indicative of onset of a viremic state? - Answer✅✅HBsAg
During the "window period," what is the only marker of HBV infection? -
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? - Answer✅✅6
months
Which viral agent causes the majority of cases of transfusion-associated hepatitis? -
Answer✅✅HCV
All of the following are required viral marker testing for the human
immunodeficiency virus EXCEPT which one? - Answer✅✅HIV-1 p24 antigen
Which virus can be deadly to immunocompromised patients or premature infants? -
Answer✅✅CMV
All of the following organisms have been implicated in bacterial contamination of
donor blood products EXCEPT which one? - Answer✅✅Escherichia coli
All of the following organisms have been implicated in bacterial contamination of
donor blood products: - Answer✅✅Y. enterocolitica, C. freundii, and Pseudomonas
putida
Which one of the following parasites has NOT been transmitted by blood
transfusion? - Answer✅✅Naegleria
Which parasites have been transmitted by blood transfusion? - Answer✅✅Babesia,
Plasmodium, and Trypanosoma
What is the acceptable temperature range for a blood bank refrigerator? -
Answer✅✅1-6 degrees C
According to FDA regulations, if blood is to be transported, then what temperature
must be maintained during transportation? - Answer✅✅1-10 degrees C
What is the expiration date of RBCs preserved with CPDA-1? - Answer✅✅35 days
What is the expiration date of RBCs preserved with ADSOL? - Answer✅✅42 days
Verified Brand New Exam
Questions with 100% Correct Clear
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A+|100% Guaranteed Success|
Latest Premium Update 2026.
All of the following donors would be permanently deferred EXCEPT which one? -
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: - 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? - Answer✅✅8 weeks
The oral temperature of a donor must not exceed which value? - Answer✅✅37.5
degrees C
,What is the minimum acceptable hemoglobin for blood donors? - Answer✅✅12.5
g/dL for allogeneic donors
What is the lowest acceptable hematocrit for allogeneic donors? - Answer✅✅38%
What donor meets the requirement for age, pulse, weight, and blood pressure? -
Answer✅✅Age: 32, Pulse: 60, Weight (lb) 185, BP: 110/70
How long must a pregnant woman be deferred? - Answer✅✅6 weeks postpartum
There is a 12-month deferment for each of the following donors: -
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: -
Answer✅✅Donor received the hepatitis B vaccine
How long must a prospective donor with a history of malaria be deferred? -
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? - Answer✅✅No deferral as
long as there is no other abnormality
All of the following are causes of permanent donor deferral: -
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: -
Answer✅✅Donor received the hepatitis B vaccine
Current testing on all donor blood must include testing for which of the following? -
Answer✅✅Serological test for syphilis
Which one of the following tests is not required by AABB and is therefore optional
during donor blood testing? - Answer✅✅anti-HBc
What is a commonly used screening method for the detection of HIV-1 antibodies? -
Answer✅✅Enzyme-linked immunosorbent assays (ELISA)
Currently required viral hepatitis marker tests include all of the following: -
Answer✅✅Anti-HCV, Anti-HBc, and HBsAg
Currently required viral hepatitis marker tests include all of the following EXCEPT: -
Answer✅✅anti-HAV
, When color coding is used for donor blood labels, what color is group A? -
Answer✅✅Yellow
Which infectious agent is least likely to be transmitted by a blood infection? -
Answer✅✅HAV
In the very early acute phase of hepatitis, which one of the following tests would be
indicative of onset of a viremic state? - Answer✅✅HBsAg
During the "window period," what is the only marker of HBV infection? -
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? - Answer✅✅6
months
Which viral agent causes the majority of cases of transfusion-associated hepatitis? -
Answer✅✅HCV
All of the following are required viral marker testing for the human
immunodeficiency virus EXCEPT which one? - Answer✅✅HIV-1 p24 antigen
Which virus can be deadly to immunocompromised patients or premature infants? -
Answer✅✅CMV
All of the following organisms have been implicated in bacterial contamination of
donor blood products EXCEPT which one? - Answer✅✅Escherichia coli
All of the following organisms have been implicated in bacterial contamination of
donor blood products: - Answer✅✅Y. enterocolitica, C. freundii, and Pseudomonas
putida
Which one of the following parasites has NOT been transmitted by blood
transfusion? - Answer✅✅Naegleria
Which parasites have been transmitted by blood transfusion? - Answer✅✅Babesia,
Plasmodium, and Trypanosoma
What is the acceptable temperature range for a blood bank refrigerator? -
Answer✅✅1-6 degrees C
According to FDA regulations, if blood is to be transported, then what temperature
must be maintained during transportation? - Answer✅✅1-10 degrees C
What is the expiration date of RBCs preserved with CPDA-1? - Answer✅✅35 days
What is the expiration date of RBCs preserved with ADSOL? - Answer✅✅42 days
