MT AAB Immunohematology | 220 Questions with 100% Correct Answers | Verified | Latest Update 2024 | 23 Pages All of the following blood donors would be permanently deferred except which one? - Correct Answer 38yr old male who received rabies vaccine after a dog bite 3mos ago What is the interval blood donations? - Correct Answer 8 weeks The oral temperature of a donor must not exceed which value? - Correct Answer 37.5C 99.5F 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 blood donors? - Correct Answer 38% What donor meets the requirements for age, pulse, weight, and blood pressure? - Correct Answer
Age:32
Pulse:60
Weight(pounds):185
Blood pressure:110/70
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 except which one? - Correct Answer deferment: (1)donor received a blood transfusion (2)donor received a tattoo and body piercing (3) donor had sex with a person with hepatitis
except: 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 1 / 3
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 abnormality All of the following are causes of permanent donor deferral except which one? - Correct Answer incarcerated individuals What is the length of deferral for symptom-free donors immunized with oral polio, measles (rubeola), or mumps vaccine? - Correct Answer 2 weeks 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 Currently required viral hepatitis marker tests include all of the following except which one? - 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 transfusion? - Correct Answer HAV In the very acute phase of hepatitis, which one of the following positive 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 2 / 3
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 All of the following are required viral marker testing for the human immunodeficiency virus(3) - Correct Answer anti-HIV-1, anti-HIV-2, anti-HTL V-I/II 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 All of the following organisms have been implicated in bacterial contamination of donor blood products (3) - Correct Answer Yersinia enterocolitica Citrobacter freundii Pseudomonas putida Which one of the following parasites has not been transmitted by blood transfusion? - Correct Answer Naegleria What is the acceptable temperature range for a blood bank refrigerator? - Correct Answer 1C - 6C According to FDA regulations, if blood is to be transported, then what temperature must be maintained during transportation? - Correct Answer 1C - 10C What is the expiration date of red blood cells preserved with CPDA-1? - Correct Answer 35 days What is the experation date of red blood cells preserved with ADSOL? - Correct Answer 42 days
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