BOC Blood Bank Exam Latest Update

BOC Blood Bank Exam Latest Update The minimum hemoglobin concentration in a fingerstick from a male blood donor is A. 12.0 g/dL (120 g/L) B. 12.5 g/dL (125 g/L) C. 13.5 g/dL (135 g/L) D. 15.0 g/dL (150 g/L) - ANSWER Correct B A cause for permanent deferral of blood donation is: A. diabetes B. residence in an endemic malaria region C. history of jaundice D. history of therapeutic rabies vaccine - ANSWER Correct C Which of the following prospective donors would be accepted for donation? A. 32-year-old woman who received a transfusion in a complicated delivery 5 months previously B. 19-year-old sailer who has been stateside for 9 months and stopped taking his anti-malarial medication 9 months previously C. 22-year-old college students who has a temperature of 99.2 F (37.3 C) and states that he feels well, but is nervous about donating D. 45-year-old woman who has just recovered rom a bladder infection and is still taking - ANSWER Correct C Which one of the following constitutes permanent rejection status of a donor? A. a tattoo 5 months previously B. recent close contact with a patient with viral hepatitis C. 2 units of blood transfused 4 months previously D. confirmed positive test for HBsAg 10 years prevously - ANSWER Correct Answer: D According to AABB standards, which of the following donors may be accepted as a blood donor? A. traveled to an area endemic for malaria 9 months previously B. spontaneous abortion at 2 months of pregnancy, 3 months previously C. resides with a known hepatitis patient D. received a blood transfusion 22 weeks previously - ANSWER Correct Answer: B Below are the results of the history obtained from a prospective female blood donor: -Age: 16 - Temperature: 99.0 F (37.2C) -Hct: 36% -history: tetanus toxoid immunization 1 week previously How many of the above results excludes this donor from giving blood for a routine transfusion? A. none B. 1 C. 2 D. 3 - ANSWER Correct Answer: B For apheresis donors who donate platelets more frequently than every 4 weeks, a platelet count must be performed prior to the procedure and be at least: A. 150 x 10^3/uL (150 x 10^9/L) B. 200 x 10^3/uL (200 x 10^9/L) C. 250 x 10^3/uL (250 x 10^9/L) D. 300 x 10^3/uL (300 x 10^9/L) - ANSWER Correct Answer: A Prior to blood donation, the intended venipuncture site must be cleaned with a scrub solution containing: A. hypochlorite B. isopropyl alcohol C. 10% acetone D. PVP iodine complex - ANSWER Correct Answer: D All donor blood testing must include: A. complete Rh phenotyping B. anti-CMV testing C. direct antiglobulin test D. serological test for syphilis - ANSWER Correct Answer: D During the preparation of Platelet Concentrates form Whole Blood, the blood should be : A. cooled towards 6C B. cooled towards 20-2 4C C. warmed to 37 C D. heated to 57 C - ANSWER Correct Answer: B The most common cause of postransfusion hepatitis can be detected in donors by testing for: A. anti-HCV B. HBsAG C. anti-HAV IgM D. anti-HBe - ANSWER Correct Answer: B The Western blot is a confirmatory test for the presence of: A. CMV antibody B. anti-HIV-1 C. HBsAG D. serum protein abnormalities - ANSWER Correct Answer: B The test that is currently used to detect donors who are infected with the AIDS virus is: A. anti-HBc B. anti-HIV 1,2 C. HBsAg D. ALT - ANSWER Correct Answer: B A commonly used screening method for anti-HIV-1 detection is: A. latex agglutination B. radioimmunoassay (RIA) C. thin-layer-chromatography (TLC) D. enzyme-labeled immunosorbent assay (ELISA) - ANSWER Correct Answer: D Rejuvenation of a unit of Red Blood Cells is a method used to: A. remove antibody attached to RBCs B. inactivate viruses and bacteria C. restore 2,3-DPG and ATP to normal levels D. filter blood clots and other debris - ANSWER Correct Answer: C A unit of packed cells is split into 2 aliquots under closed sterile condition at 8 AM. The expiration time for each aliquot is now: A. 4 PM on the same day B. 8 PM on the same day C. 8 AM the next morning D. the original date of the unsplit unit - ANSWER Correct Answer: D A unit of Red Blood Cells expiring in 35 days is split into 5 small aliquots using a sterile pediatric quad set and a sterile connecting device. Each aliquot must be