SBB Study guides, Class notes & Summaries

SBB Study Guide #2 Questions With Answers | 100% Correct Latest 2024/2025 (Graded A+) 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?...

SBB FINAL A peripheral smear with increased polychromasia, schistocytes and spherocytes is indicative of which condition? A. Aplastic anemia B. Iron deficiency anemia C. Hemolytic anemia D. Megaloblastic anemia - Answer- C. Hemolytic anemia Megaloblastic anemia would show larger, less mature RBCs on the smear. Iron deficiency anemia would show hypochromasia, and a lower RBC count. Aplastic anemia would show very little amounts of mature RBCs on the smear Hemolytic anemia results i...

SBB STUDY QUESTIONS What enzyme may be useful in distinguishing anti-Ge2 from anti-Ge3? - Answer- Papain (Anti-Ge2 will not react) The beta 1-3 linkage between galactose and N-actylglucosamine is found in: - Answer- Secretions Which of the following represents the Type II chain? - Answer- Beta 1-4 linkage between galactose and N acetyl glucosamine Rank the order of decreasing H concentration on RBCs - Answer- 0>A2>B>A2B>A1>A1B All of the following are genotypes for ...

b. Reduce the flow rate. A donor experiences perioral paresthesia during an apheresis procedure. Which of the following should be performed? a. Increase the flow rate. b. Reduce the flow rate. c. Elevate the donor's feet. d. Have the donor breathe into a paper bag. c. Obtain a written request from the patient's physician and send the unit with a biohazard label and "autologous use only." A unit of autologous blood tested repeatedly reactive for HBsAg. The patient is scheduled for surg...

When preparing cryoprecipitate from plasma, the cryoprecipitate must be refrozen within? - 1 hour Donated blood may not be used for allogeneic transfusion when HCV testing shows? - EIA initial testing reactive, and one of the duplicate repeat results is reactive The following hepatitis B testing results indicates: HBsAg: Nonreactive, Anti-HBc: Reactive, Anti-HBs: Reactive, RNA HBV: nonreactive. - Recurring infection (CDC says immune due to natural infection) The antigen that occurs in a...

How would Ulex europaeus react with O, A, A2, B, A2B, A1B RBCs? - O>A2>B>A2B>A1>A1B How could you distinguish serologically A1, A2 and A3 - Dolichos biflorus can will react with A1 and not A2. A3 yields mixed field reactions with anti-A and anti-A,B What is the correct order of type of RBCs to transfuse in an AB patient when AB RBCs are not available? Why? - A, B, O; the residual anti-B in A RBCs is less immunogenic than the residual anti-A in B RBCs What type of RBCs wou...

having 3 or more alleles for the same gene - ANSWER multiple alleles ABO blood groups are determined by - ANSWER multiple alleles blood type is determined by - ANSWER the presence or absence

The following phenotypes are written incorrectly except for: a. Jka+ b. Jka+ c. Jka(+) d. Jk(a+) - ANSWER D Which of the following characteristics best describes Lewis antibodies? a. IgM, naturally occurring, cause HDFN b. IgM, naturally occurring, do not cause HDFN c. IgG, in vitro hemolysis, cause hemolytic transfusion reactions d. IgG, in vitro hemolysis, do not cause hemolytic transfusion reactions - ANSWER B The Le gene codes for a specific glycosyltransferase that transfe...

The reactivity of blood group A is confirmed by detecting the presence of which immunodominant sugar molecule? a. N-acetyl-D-neuraminic acid b. L-fucose c. N-acetyl-D-galactosamine d. N-acetyl-D-glucosamine e. D-galactose - ANSWER c The mating of parents of which two ABO phenotypes can potentially produce offspring with ALL of the common four blood types? AB and O AB and A AB and B AB and AB A and B - ANSWER A and B Bombay phenotype (Oh) individuals may have antibod...

A peripheral smear with increased polychromasia, schistocytes and spherocytes is indicative of which condition? A. Aplastic anemia B. Iron deficiency anemia C. Hemolytic anemia D. Megaloblastic anemia - ANSWER C. Hemolytic anemia Megaloblastic anemia would show larger, less mature RBCs on the smear. Iron deficiency anemia would show hypochromasia, and a lower RBC count. Aplastic anemia would show very little amounts of mature RBCs on the smear Hemolytic anemia results in misshapen RB...