SBB study guide #2 questions with verified solutions

SBB study guide #2 questions with verified solutions What is the deferral period for someone who has received a blood transfusion? ✔✔12 months Where does the AABB stand on pregnancy and blood donation? ✔✔a woman is de ...

SBB study guide #2 questions with verified solutions What is the deferral period for someone who has received a blood transfusion? ✔✔12 months Where does the AABB stand on pregnancy and blood donation? ✔✔a woman is deferred if pregnant in the past 6 weeks What is the deferral period if a potential donor received the varicella zoster vaccine (live attenuated)? ✔✔4 weeks What is the deferral period for a whole blood donor who received the yellow fever live vaccine? ✔✔2 weeks What is the deferral period for someone being treated for syphilis? ✔✔12 months from completion of therapy A potential blood donor spent 7 years in Germany from 1995 to 2002. Are they eligible to donate whole blood? ✔✔No, indefinitely deferred CJD may be transmitted by all of the following EXCEPT: 1. Neurosurgical instruments 2. human dura matter grafts 3. pituitary derived human growth hormone 4. stem cells ✔✔Stem cells Which of the following should be indefinitely deferred? 1. donor with malaria 2. donor who has been incarcerated 3. a pregnant woman 4. a donor with a history of hepatitis after 11th birthday ✔✔a donor with a history of hepatitis after 11th birthday A donor diagnosed with chronic myeloid leukemia is: ✔✔indefinately deferred A potential whole blood donor presents with the following upon physical exam: Hgb 13 g/dL, Hct 39%, pulse 75, temp 99.4, can they donate a unit of allogeneic whole blood? ✔✔Yes A donor who ingests aspirin is deferred for 48 hours because aspirin interferes with? ✔✔Platelet aggregation A donor who has had a positive test for AIDS/HIV virus is: ✔✔indefinitely deferred What is the interval between allogeneic blood donations? ✔✔56 days What is the deferral period for an apheresis donor who wishes to donate whole blood? ✔✔48 hours In this type of autologous donation, blood is collected just before the start of surgery so that blood shed during surgery has a lower concentration of red cells? ✔✔normovolemic hemodilution In double red cell pheresis, the interval between donation is: ✔✔16 weeks A potential allogeneic whole blood donor was incarcerated for 5 years. He was granted parole and wished to contribute to his community by donating blood. Can he donate? ✔✔Yes, but there is a 12 mo. deferral period from the date he left prison What special considerations should be givien to directed donations? ✔✔Blood must be irradiated if from a blood relative A minipool of 16 donor samples was analyzed for HCV RNA. The test was positive. Which of the following courses of action would be followed? ✔✔Test each of the pools individually or test a smaller pool Last week, a school teacher donated an allogeneic unit of whole blood. Upon testing for HIV antibodies by EIA, one test was reactive and a repeat test was nonreactive. What should be done with the unit that was donated? ✔✔Discard the unit and quarantine any in date units What purpose does irradiation serve? ✔✔Destroys T lymphocytes An 18 yr. old girl contracted Babesia after a two week camping trip in NE Pennsylvania. A blood drive was scheduled at her school 6 mo. later. Should she donate blood? ✔✔No, indefinite deferral What is the deferral period for donating allogeneic whole blood after an accidental needle stick? ✔✔12 months A Peace Corp worker spent 2 yrs. in Nigeria. After having been there for only 3 mo, he was diagnosed with malaria. When may this worker be eligible for blood donation? ✔✔3 yrs. after becoming asymptomatic A male donor comes to donate whole blood, when he shows the tech his arm, the tech notices track marks. What action should be taken? ✔✔Document a indefinite deferral in the donor record What is the deferral period for receiving the recombinant HPV vaccine? ✔✔None What is the deferral period for a patient on Plavix? ✔✔14 days after last dose A phlebotomist received Hepatitis B Immune globulin after receiving prophylactic therapy for an accidental needle stick. Is there a deferral period? ✔✔12 months Is it possible to donate a unit of blood in the US at age 16? ✔✔Yes A pheresis donor donated plasma one day ago. When can this donor give a unit of whole blood? ✔✔In 24 hours Which hepatitis is associated with a chronic phase? ✔✔Hepatitis C What viral maker is associated with immunity to Hepatitis B? ✔✔Anti-HBs What is the first marker to appear in Hepatitis B infection? ✔✔HBsAg Which hepatitis virus is associated with the fecal oral route of transmission? ✔✔Hepatitis A Which hepatitis viruses may act in tandem? ✔✔Hepatitis B and D Hemoglobin is tested for allogeneic whole blood donation using copper sulfate specific gravity of 1.053. After 15 sec, the drop sinks, is the donor ok to donate? ✔✔Yes A platelet pheresis donor exhibits signs of citrate toxicity. What is the appropriate course of action? ✔✔Administer calcium gluconate What is the acceptable collection time for an allogeneic whole blood unit? ✔✔13 minutes What are the viral tests required on donor blood? ✔✔HBsAg, Anti-HBc, Anti-HCV, HCV RNA, Anti-HIV, HIV-1 RNA, anti-HTLA I/II, WNV RNA, Syphilis, T. Cruzi, Zika What is the minimum hemoglobin and infectious disease testing interval for autologous donors? ✔✔11 g/dL and 30 days For an autologous unit the recipient name, DIN, name of facility where patient is transfused must be on the label for which of the following? 1. collected unit 2. final unit 3. pooled unit 4. all of the above ✔✔All of the above: Collected unit, final unit, pooled unit What are the labeling requirements for an allogeneic WB donor who is CMV positive? ✔✔Final unit and pooled unit must be labeled CMV positive The anticoagulant/preservative must be present on the label for which of the following? ✔✔Collected unit, final component, pooled unit A 35 yr. old male allogeneic donor made a donation in August. All required viral makers were non-reactive using standard testing He made another donation the following Jan. The MP and ID NAT and EIA was repeat reactive for HIV-1 and anti-HIV I/II. In what circumstance could this donor be considered for re-entry? ✔✔Donor is not eligible for re-entry A platelet pheresis donor tested positive for anti-HCV, however, the NAT HCV was nonreactive and RIBA was indeterminate. The anti-HCV by EIA was repeated and also positive. On follow up testing the NAT HCV was reactive and anti-HCV was negative. The donor should be: ✔✔permanently deferred Which of the following would defer a potential whole blood donor regarding Zika virus? ✔✔A 54 yr old female who was recently diagnosed with Zika