AAB MT PACKAGED COMPLETE 2026 FINAL
STUDY COLLECTION COMPLETE PAPER AND
ANSWERS
◉ 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
◉ Currently required viral hepatitis marker tests include all of the
following:.
Answer: anti-HCV, anti HBc, HBsAg
◉ 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
transfusion?.
,Answer: HAV
◉ In the very early acute phase of hepatitis, which one of the
following positive 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 (Yersinia enterocolitica, Citrobacter
freundii, Pseudomonas putida)
◉ Which one of the following parasites has NOT been transmitted by
blood transfusion.
Answer: Naegleria (Plasmodium, Babesia, Trypanosoma)
◉ What is the acceptable temp range for a blood bank refrigerator?.
Answer: 1-6C
◉ According to FDA regulations, if blood is to be transported, then
what temperature must be maintained during transportation?.
Answer: 1-10 C
◉ What is the expiration date of RBC preserved with CPDA-1?.
Answer: 35 days
, ◉ What is the expiration date of RBC preserved in ADSOL?.
Answer: 42 days
◉ What is the shelf life of precipitated antihemophilic factor when
stored at -18C or lower?.
Answer: 1 year
◉ What is the shelf life of FFP that is stored at -18C or lower?.
Answer: 1 year
◉ What is the optimum temperature for thawing FFP?.
Answer: 2-8 C
◉ What is the shelf life of platelet concentrates?.
Answer: 5 days at 20-24 degrees C with constant agitation
◉ If the hermetic seal on a unit of packed RBC has been broken, how
soon must the product be used in the blood bank refrigerator..
Answer: 24 hours
◉ Which biochemical change does NOT occur in stored blood.
Answer: plasma K+ decreases
STUDY COLLECTION COMPLETE PAPER AND
ANSWERS
◉ 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
◉ Currently required viral hepatitis marker tests include all of the
following:.
Answer: anti-HCV, anti HBc, HBsAg
◉ 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
transfusion?.
,Answer: HAV
◉ In the very early acute phase of hepatitis, which one of the
following positive 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 (Yersinia enterocolitica, Citrobacter
freundii, Pseudomonas putida)
◉ Which one of the following parasites has NOT been transmitted by
blood transfusion.
Answer: Naegleria (Plasmodium, Babesia, Trypanosoma)
◉ What is the acceptable temp range for a blood bank refrigerator?.
Answer: 1-6C
◉ According to FDA regulations, if blood is to be transported, then
what temperature must be maintained during transportation?.
Answer: 1-10 C
◉ What is the expiration date of RBC preserved with CPDA-1?.
Answer: 35 days
, ◉ What is the expiration date of RBC preserved in ADSOL?.
Answer: 42 days
◉ What is the shelf life of precipitated antihemophilic factor when
stored at -18C or lower?.
Answer: 1 year
◉ What is the shelf life of FFP that is stored at -18C or lower?.
Answer: 1 year
◉ What is the optimum temperature for thawing FFP?.
Answer: 2-8 C
◉ What is the shelf life of platelet concentrates?.
Answer: 5 days at 20-24 degrees C with constant agitation
◉ If the hermetic seal on a unit of packed RBC has been broken, how
soon must the product be used in the blood bank refrigerator..
Answer: 24 hours
◉ Which biochemical change does NOT occur in stored blood.
Answer: plasma K+ decreases
