Simulated Board Exam in ISBB questions with 100% correct answers 2023 passed

Simulated Board Exam in ISBBHydrogen bonds The four polypeptid chains of an immunoglobulin molecule are held together by? N terminal The antigen binding site of an immunoglbulin is which terminal of the protein Lambda-lambda Kappa-kappa (Should be identical, never both.) Possible light chain isotype pairs in a single immunoglobin? (2) Negative Zeta potential confers which charge on the surface of red cell Anti-A1 (Remember, it is an "antibody"). Extracts from Dolichos biflorus is a good source of? Ax, A3, A2, A1 (-) Arrange group "A" subtype from strongest to weakest reaction with anti-H Le(a-b-) Lewis type by birth Inverted centrifugation Method of preparation of leukocyte poor blood is the most common, but has the disadvantage of loosing 25% of RBC mass 24 hours Post-thaw storage of frozen RBCs. (Should be transfused within?) 6 Platelet concentrates usually contain ___ x 10^11 platelet per unit Chemotaxis After 8 hours of storage, granulocytes appear to lose this ability Stop the transfusion First step in any transfusion reaction is Malaria (98%) Which of the following is most likely to cause a false positive result in VDRL Acute rheumatic fever Acute myocardial infarction Carcinoma Examples of disease with elevated CRP (3) Antibody against antibody Describe rheumatiod factor 75% For a transfusion to be considered successful, how many percent of transfused red cells should remain viable after 23 hours? Adenine and glucose Common component of additive solution (2) 6 days Red cells should be glycerolized and frozen within how many days of whole blood collection Lower residual platelet and leukocyte Advantage of freezingg red cell aside from long term storage 6 hours Platelet concentrate bag is broken, platelet should be transfused within? Autoimmunity Mechanism by which α-methyldopa causes postive DAT is: Sensitivity Increasing the ratio of serum to cells in IAT will inrease ___ Sturle and von Descatello Who discovered AB blood type 5-10 y.o. Peak production of antibodies for ABO antigen is usually at which age 6 months Normally, individuals will almost always have naturally occuring ABO antibodies by age: Beta 1-4 linkage Type 2 Abo prescursor substance has its terminal galactose attached to Glu-Nac via ___ linkage Glycoprotein (According to Dr. Chaffin, Secretion = glycoprotein Plasma antigen = glycolipid RBC membrane = glycolipid or glycoprotein Secreted ABO substance are