MLT Blood Bank Questions with complete Solutions Rated A+

MLT Blood Bank Questions with complete Solutions Rated A+ Lewis - Answers absorbed onto RBC surface, influenced by secretor genes, causes hemolytic tx rx, IGM class but can react on all phases Anti-C - Answers rarely encountered as a single Rh Ab Anti-c - Answers second most frequently encountered Rh Ab Anti-E - Answers most common Rh Ab anti-e - Answers rarest Rh Ab 120 days - Answers Rh antibodies appear in serum _____ days after initial exposure. 2-7 days - Answers Rh antibodies appear in serum ___ to ___ days after secondary exposure I antigen - Answers I-developed seen only in adults, I-fetal seen mostly in cord, IgM Ab, cold autoantibody P antigen - Answers naturally occuring IgM, --- PCH autoantibody called Donath Landsteiner Ab (IgG) Kell - Answers second to Rh system for HDN severity, CGD, muscular dystrophy, cardiomegaly Duffy - Answers IgG, shows dosage, capable of causing transfusion reactions and HDN, destroyed by enzymes Kidd - Answers shows marked dosage, IgG, active at 37c, enhanced by enzyme, may cause delayed hemolytic reactions MNS - Answers naturally occuring IgM, shows marked dosage, homozygous cells, react stronger with antisera, destroyed by enzymes, antigens have sialic acid in their structure, reactions enhanced by lowering pH Anti-S, Anti P - Answers rarely naturally occuring IgM Anti-s, anti-Lub - Answers rare antibody IgG Anti-Lua - Answers naturally occuring IgM, shows mixed field reaction, may show dosage Lutheran Ab - Answers destroyed by enzymes HLA system - Answers ankylosing spondylitis, useful for paternity testing, organ transplantation Anti-K - Answers most common Ab seen in bloodbank after ABO and Rh Potentiator - Answers substance that will enhance Ag-Ab reactions PEG - Answers removes water to concentrate Ab weak-D and Anti-D in serum - Answers D mosaic may produce antibodies to missing antigen parts Anti-I - Answers may mask other more significant Ab, FFP - Answers no acceptable alternative for neonates, should be compatible with patients RBC "AB" plasma - Answers can be given to "A, B, O", but can only recieve "AB" "O" RBC - Answers can only recieve "O" RBCs, no alternative crossmatch specimen storage - Answers 7 days post transfusion, 1-6 celcius IgG class Ab - Answers Rh, Kell Duffy Kidd, Lutheran, MNSs, Xg (sex link) IgM class Ab - Answers Lewis, Lua, I, P, MN Albumin agglutination phenomenon - Answers serum contains anti-caprylate Ab, agglutinates all RBC in albumin stabilized with caprylate, only at 37 celcius