Lewis antigen synthesis - Study guides, Class notes & Summaries

Lewis blood group correct answers -antigens: Lea & Leb -alleles: Le dominant and le recessive -dominant Le codes for the production of a glycosyltransferase and Lea and Leb antigens -interacts with the secretor genes (Se and se) -ISBT # 007 Le(a+b-) correct answers white: 22% black: 23% Le(a-b+) correct answers white: 72% black: 55% Le(a-b-) correct answers white: 6% *black: 22%* Le(a+b+) correct answers rare phenotype that is only seen in the Asian population -Lewis b antig...

State the antigens associated with the Lewis blood group system and their frequencies in the population. correct answers The Lewis antigens are Le(a) & Le(b). -phenotypes possible: Le(a+b-), Le(a-b+), Le(a-b-) -phenotype frequencies in US population: Le(a+b-) → 22% white ppl & 23% black ppl Le(a-b+) → 72% white ppl & 55% black ppl Le(a-b-) → 6% white ppl & 22% black ppl Explain the absence of the Le(a+b+) phenotype. correct answers Le(a+b+) is seen in 10-40% of Asian ppl and is ver...

State the antigens associated with the Lewis blood group system and their frequencies in the population. correct answers The Lewis antigens are Le(a) & Le(b). -phenotypes possible: Le(a+b-), Le(a-b+), Le(a-b-) -phenotype frequencies in US population: Le(a+b-) → 22% white ppl & 23% black ppl Le(a-b+) → 72% white ppl & 55% black ppl Le(a-b-) → 6% white ppl & 22% black ppl Explain the absence of the Le(a+b+) phenotype. correct answers Le(a+b+) is seen in 10-40% of Asian ppl and is ver...

AB MT 2023/2024 EXAM REVIEW All of the following donors would be permanently deferred EXCEPT which one? - CORRECT ANSWER-38-year-old male who received rabies vaccine after a dog bite 3 months ago All of the following donors would be permanently deferred: - CORRECT ANSWER-75- year-old male who had acute hepatitis 20 years ago following surgery, 19-y/o first-time donor who received human growth hormone 12 years ago, and a 24-y/o donor with a history of a positive test for Hepatitis C fro...

AAB MT IMMUNOHEMATOLOGY ELABORATED QUESTIONS WITH REVIEWED ANSWERS 2023/2024 All of the following blood donors would be permanently deferred except which one? - CORRECT ANSWER-38yr old male who received rabies vaccine after a dog bite 3mos ago What is the interval blood donations? - CORRECT ANSWER-8 weeks The oral temperature of a donor must not exceed which value? - CORRECT ANSWER37.5C 99.5F What is the minimum acceptable hemoglobin for blood donors? - CORRECT ANSWER12.5 g/dL for al...

Which of the following condition is the most common cause of increase anion gap? A. Metabolic alkalosis B. Metabolic acidosis Respiratory acidosis Respiratory alkalosis - B. Metabolic acidosis High anion gap metabolic acidosis is caused generally by the body producing too much acid or not producing enough bicarbonate. This is often due to an increase in lactic acid or ketoacids, or it may be a sign of kidney failure. More rarely, high anion gap metabolic acidosis may be caused by ingesting meth...

AAB MT 2023/2024 EXAM REVIEW All of the following donors would be permanently deferred EXCEPT which one? - CORRECT ANSWER-38-year-old male who received rabies vaccine after a dog bite 3 months ago All of the following donors would be permanently deferred: - CORRECT ANSWER-75- year-old male who had acute hepatitis 20 years ago following surgery, 19-y/o first-time donor who received human growth hormone 12 years ago, and a 24-y/o donor with a history of a positive test for Hepatitis C fr...

AAB MT IMMUNOHEMATOLOGY ELABORATED QUESTIONS WITH REVIEWED ANSWERS 2023/2024 All of the following blood donors would be permanently deferred except which one? - CORRECT ANSWER-38yr old male who received rabies vaccine after a dog bite 3mos ago What is the interval blood donations? - CORRECT ANSWER-8 weeks The oral temperature of a donor must not exceed which value? - CORRECT ANSWER37.5C 99.5F What is the minimum acceptable hemoglobin for blood donors? - CORRECT ANSWER12.5 g/dL for al...

  FFP used for - Answer: Multiple coagulation deficiencies Factor XI deficiency Cryoprecipitate used for - Answer: Replace fibrinogen loss due to DIC Massive bleeding Dysfibrinogenemia with active bleeding Plateletpheresis preparation steps - Answer: Light spin (remove RBC) Heavy spin (spin down PLT and WBC) Supernatant goes into bag for freezing (FFP) Remaining plasma, platelets, and WBC = platelets Irradiated blood prevents - Answer: GVHD Also used for ca...

MMSC 409 Exam 3 With 100% Correct Answers 2023