What is the first antibody produced during an infection?, A. IgM, B. IgD, C. IgG, D. IgA, Which of the following antibodies crosses the placenta?, . IgD, B. IgG, C. IgM, D. IgE, In serological testing, hemolysis or agglutination is considered, Negative result, B. Invalid result, C. False-positive result, D. Positive result, What is the percentage of IgD in serum?, . 4%, B. 0.001%, C. 0.2%, D. 10%, All the following are true about IgM antibodies EXCEPT, They are glycoprotein, B. They mediate allergic reaction, C. React at room temperature, D. They fix complement, The endpoint of most tests involving red cells and blood group antibodies is, Agglutination, B. Hemolysis, C. Precipitation, D. Neutralization, . Which of the following chromosomes carries the human ABO gene?, On chromosome 9, B. On chromosome 19, C. On chromosome 7, D. On chromosome 1, Which of the following chromosomes carries the human Rhesus blood group gene?, . On chromosome 9, B. On chromosome 7, C. On chromosome 1, D. On chromosome 19, In Forward or direct blood grouping, the sample is, Plasma, B. RBC's, C. Serum, D. WBCs, How many phenotypes are given from the 3 allelic genes A, B, and O?, 2 phenotypes., B. 6 phenotypes., C. 3 phenotypes., D. 4 phenotypes., Which of the following is true regarding inheritance of the phenotype ABO blood group system?, . O is recessive, B. O is dominant over B, C. O is dominant over A, D. B is dominant over A, Which of the following Blood Groups has the Greatest Amount of H Antigen?, Blood Group B, B. Blood Group A1B, C. Blood Group A2B, D. Blood Group O, A child of a mother with blood group A and a father with blood group AB may have any one of the following blood groups EXCEPT:, . A, B. AB, C. O, D. B, If the A and B antigens are missing on the RBC's, the blood group is:, Blood group A, B. Blood group O, C. Blood group AB, D. Blood group B, A 35-year-old male blood donor came to the blood bank. He was missing A and B Antibody in his serum. What was his Blood group?, . A blood group, B. AB blood group, C. O blood group, D. B blood group, Which of the following statements is true regarding the ABO blood system?, People who have the A antigen normally produce the anti-A antibody., B. The only ABO type blood that normally does not have either A or B antigens is AB, C. People who are type AB normally produce both anti-A and anti-B antibodies., D. People who have the A antigen normally would not produce the anti-A antibody., In the context of the ABO blood group, a transfusion of AB blood may be given to a person who has blood type, A. O blood group, B. B blood group, C. A blood group, D. AB blood group, The Rh-positive patients may receive the blood from, . Rh-Negative donor only, B. Rh-positive donor, C. Bombay Group, D. Kell & Duffy, The reactivity of blood group A is confirmed by detecting the presence of which immunodominant sugar molecule?, A. L-fucose, B. N-acetyl-D-neuraminic acid, C. N-acetyl-D-galactosamine, D. D-galactose, Which of the following Rh antigens is highly immunogenic?, A. Rh C, B. Rh E, C. Rh c, D. Rh D, Which of the following Rh antigens is rarely immunogenic?, A. Rh c, B. Rh E, C. Rh C, D. Rh e, Which of the following is the most immunogenic blood group system after ABO and Rh, A. Kell, B. Duffy, C. P, D. Kidd, Which of the following is NOT true about MNSs Blood Group Antibodies (Anti-M and Anti-N)?, Destroyed by enzymes, B. IgM saline reaction, C. Not destroyed by enzymes, D. Usually, room temperature, Which of the following is considered a rejected Blood donor criteria?, . Aged 17 years old, B. Temperature is 37C, C. Weight is 52 Kg, D. Pregnant women, All the following are criteria for blood donation EXCEPT, . Jaundice for unknown reason, B. Age above 18 years old, C. Hb in male above 13 mg/dl, D. Blood pressure 130/90, An individual who has been recently diagnosed with smallpox is deferred for, . One week, B. Two weeks, C. Four weeks, D. Three weeks, . Which of the following times is the deferral for the yellow fever vaccine?, One week, B. Three weeks, C. Four weeks, D. Two weeks, Which of the following disorders is the cause of 1 year deferral of the donor?, . Major surgery, B. Leukemia, C. Measles, D. Severe illness, Which of the following is a permanent deferral in transfusion medicine?, Recipients of blood or blood components, B. Malaria, C. Pregnancy, D. Leukemia, . Which of the following is deferral time for the Rubella vaccine?, Three weeks, B. Four months, C. One month, D. Two months, Which of the following serum antibodies are composed of Pentamer Structure?, A. IgG, B. IgE, C. IgD, D. IgM, How many Light chains are present in an immunoglobulin (antibody)?, . 3 Light chains, B. 2 Light chains, C. 1 Light chain, D. 4 Light chains, How many Heavy chains are present in an immunoglobulin?, . 5 heavy chains, B. 2 heavy chains, C. 6 heavy chains, D. 3 Heavy chains, . We reduce the pressure of the sphygmomanometer to 40 to 50 mmHg in order to, To have free flow of blood into the bag, B. To have heavy blood flow into the bag, C. To cause coagulation, D. To prevent coagulation, Which of the following is a parasitic disease transmitted through blood?, . Microfilaria, B. Syphilis, C. HIV, D. Trichinella, What is the main function of Adenine used in Anticoagulant preservative solution?, Necessary for the metabolism of stored red cells, B. It acts by chelating calcium, C. Prevents the caramelization of glucose, D. Enhanced ATP production., What is the main function of Citric Acid used in Anticoagulant preservative, . Necessary for the metabolism of stored red cells, B. It acts by chelating calcium, C. Prevents the caramelization of glucose, D. Enhanced ATP production., Anticoagulant (ACD) is used to store blood for, 30 days, B. 15 days, C. 21 days, D. 35 days, Use of Citrate in Anticoagulant preservative solution?, . Enhanced ATP production., B. Necessary for the metabolism of stored red cells, C. Acts by chelating calcium, D. Prevents the caramelization of glucose, To be able to donate, hematocrit should be, A. Not less than 20% in male., B. Not less than 41% in male., C. Not more than 20% in male., D. Not more than 41% in male., In the method of venipuncture, we scrub the area of, . 5-6 inches, B. 3-4 inches, C. 7-8 inches, D. 9-10 inches, The blood bag is kept in refrigerator at, 4-6 after collection, B. 4-6 before collection, C. 2-6 before collection, D. 2-6 after collection, Which of the following is true about Landsteiner's rule?, If Ag present on patient's RBCs the corresponding Ab will not be present in plasma, B. If Ab present on patient's RBCs the corresponding Ag will not be present in plasma., C. If Ag present on patient's RBCs the corresponding Ab will be present in plasma, D. If Ab present on patient's RBCs the corresponding Ag will be present in plasma., Which is the second least immunoglobulin in the serum?, A. IgA, B. IgM, C. IgE, D. IgD, All the following are permanent deferral EXCEPT, Viral hepatitis, B. Syphilis, C. HIV patients, D. Leukemia, . How many hours after aspirin consumption must a donor wait if they are the only source of platelets?, 72 hr, B. 74 hr, C. 30 hr, D. 48 hr, Souilyman is a 25-year-old male admitted with Factor XIII deficiency. Which blood component is suitable for transfusion in his case?, A. Whole blood transfusion, B. Platelet, C. Cryoprecipitate, D. Washed RBC.

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