IMMUNOHEMATOLOGY ASCP-AABB EXAM
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Verified | Latest 2024 Version
All of the following blood donors would be permanently deferred? - ✔✔
75-year-old male who had acute hepatitis 20 years ago following surgery.
38-year-old male who received rabies vaccine after a dog bite 3 months ago.
24-year-old donor with a history of positive test for hepatitis C from another blood center.
What is the interval between blood donations? - ✔✔8 weeks
The oral temperature of donor must not exceed which value? - ✔✔37.5C
What is the minimum acceptable hemoglobin for blood donors? - ✔✔12.5 g/dL for allogeneic donors
What is the lowest acceptable hematocrit for allogenic donors? - ✔✔38%
What donor meets the requirements for age, pulse, weight, and blood pressure? - ✔✔age: 32 yrs
pulse: 60
weight: 185
Blood Pressure:
110/70
How long must a pregnant woman be deferred? - ✔✔6 weeks postpartum
There is a 12-month deferment for each of the following donors? - ✔✔Donor received a blood
transfusion.
Donor received a tattoo and body piercing.
,Donor had sex with a person with hepatitis.
How long must a prospective donor with a history of malaria be deferred? - ✔✔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
donor criteria, how long is the deferral? - ✔✔no deferral as long as there is no other abnomality
All of the following are causes of permanent donor deferral: - ✔✔confirmed HIV positive.
family history of Creutzfeldt-Jakob disease.
intravenous drug user
What is the length of deferral for symptom-free donors immunized with oral polio, measles (rubeola), or
mumps vaccine? - ✔✔2 weeks
current testing on all donor blood must include testing for what? - ✔✔serological test for syphilis
What test is not required by AABB and is therefore optional during donor blood testing? - ✔✔anti-HBc
What is a commonly used screening method for the detection of HIV-1 antibodies? - ✔✔enzyme-linked
immunosorbent assays
Currently required viral hepatitis marker tests include all of the following? - ✔✔anti-HCV,
anti-HBc,
HBsAg
When color coding is used for donor blood labels, what color is group A? - ✔✔yellow
Which infectious agent is least likely to be transmitted by a blood transfusion? - ✔✔HAV
, IN the very early acute phase of hepatitis, which positive tests would be indicative of onset of a viremic
state? - ✔✔HBsAg
During the "window period," what is the only marker of HBV infection? - ✔✔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? - ✔✔6 months
Which viral agent causes the majority of cases of transfusion-associated hepatitis? - ✔✔HCV
All of the following are required viral marker testing for the human immunodeficiency virus? - ✔✔HIV-1
p24 antigen
Which virus can be deadly to immunocompromised patients or premature infants? - ✔✔CMV
All of the following have been implicated in bacterial contamination of donor blood production? -
✔✔Yersinia enterocolitica,
Citrobacter freundii,
Pseudomonas putida
What parasites has NOT been transmitted by blood transfusion? - ✔✔Naegleria
What is the acceptable temperature range for a blood bank refrigerator? - ✔✔1-6C
According to FDA regulations, if blood is to be transported, then what temperature must be maintained
during transportation? - ✔✔1-10C
What is the expiration date of red blood cells preserved with DPDA-1? - ✔✔35 days
STUDY PREP | 100% Correct Answers |
Verified | Latest 2024 Version
All of the following blood donors would be permanently deferred? - ✔✔
75-year-old male who had acute hepatitis 20 years ago following surgery.
38-year-old male who received rabies vaccine after a dog bite 3 months ago.
24-year-old donor with a history of positive test for hepatitis C from another blood center.
What is the interval between blood donations? - ✔✔8 weeks
The oral temperature of donor must not exceed which value? - ✔✔37.5C
What is the minimum acceptable hemoglobin for blood donors? - ✔✔12.5 g/dL for allogeneic donors
What is the lowest acceptable hematocrit for allogenic donors? - ✔✔38%
What donor meets the requirements for age, pulse, weight, and blood pressure? - ✔✔age: 32 yrs
pulse: 60
weight: 185
Blood Pressure:
110/70
How long must a pregnant woman be deferred? - ✔✔6 weeks postpartum
There is a 12-month deferment for each of the following donors? - ✔✔Donor received a blood
transfusion.
Donor received a tattoo and body piercing.
,Donor had sex with a person with hepatitis.
How long must a prospective donor with a history of malaria be deferred? - ✔✔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
donor criteria, how long is the deferral? - ✔✔no deferral as long as there is no other abnomality
All of the following are causes of permanent donor deferral: - ✔✔confirmed HIV positive.
family history of Creutzfeldt-Jakob disease.
intravenous drug user
What is the length of deferral for symptom-free donors immunized with oral polio, measles (rubeola), or
mumps vaccine? - ✔✔2 weeks
current testing on all donor blood must include testing for what? - ✔✔serological test for syphilis
What test is not required by AABB and is therefore optional during donor blood testing? - ✔✔anti-HBc
What is a commonly used screening method for the detection of HIV-1 antibodies? - ✔✔enzyme-linked
immunosorbent assays
Currently required viral hepatitis marker tests include all of the following? - ✔✔anti-HCV,
anti-HBc,
HBsAg
When color coding is used for donor blood labels, what color is group A? - ✔✔yellow
Which infectious agent is least likely to be transmitted by a blood transfusion? - ✔✔HAV
, IN the very early acute phase of hepatitis, which positive tests would be indicative of onset of a viremic
state? - ✔✔HBsAg
During the "window period," what is the only marker of HBV infection? - ✔✔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? - ✔✔6 months
Which viral agent causes the majority of cases of transfusion-associated hepatitis? - ✔✔HCV
All of the following are required viral marker testing for the human immunodeficiency virus? - ✔✔HIV-1
p24 antigen
Which virus can be deadly to immunocompromised patients or premature infants? - ✔✔CMV
All of the following have been implicated in bacterial contamination of donor blood production? -
✔✔Yersinia enterocolitica,
Citrobacter freundii,
Pseudomonas putida
What parasites has NOT been transmitted by blood transfusion? - ✔✔Naegleria
What is the acceptable temperature range for a blood bank refrigerator? - ✔✔1-6C
According to FDA regulations, if blood is to be transported, then what temperature must be maintained
during transportation? - ✔✔1-10C
What is the expiration date of red blood cells preserved with DPDA-1? - ✔✔35 days
