In 1900 Karl Landsteiner, an Austrian scientist, identified O, A, and B blood ty
ID: 221038 • Letter: I
Question
In 1900 Karl Landsteiner, an Austrian scientist, identified O, A, and B blood types. Which of these is not one of the recognized blood types today? a. A b. B c. AB d. O e. ABO Individuals have immunological tolerance only toward what occurs in their own bodies. The principle theory of blood typing is that there are antigens which are __?__ which are physically exposed on the exterior of red blood cells. a. N-acetylgalactosamine b. N-acetylglucosamine c. galactose d. fructose Which of the following statements is true regarding the ABO blood system? a. People who have the A antigen normally do not produce the anti-A antibody. b. People who are type AB normally produce both anti-A and anti-B antibodies. c. The only ABO type blood that normally does not have either A or B antigens is AB. The universal blood donors for the ABO system are type: a. A b. B c. AB d. O An individual's ABO blood type is normally determined by: a. Genetic inheritance and environmental influences during life b. Environmental influences alone c. The inheritance of 1 of 3 possible alleles (A, B, or o) from each parent If one of your parents is blood type A and the other is type B, which blood type could you be? a. A b. B c. AB d. O e. Any of the choices could happen. Which of the following is not a derivative of cholesterol? a. androgens and estrogens b. bile salts (highly effective detergents) c. Vitamin C d. Vitamin D e. Vitamin EExplanation / Answer
24. e) ABO
25. a) N-acetylgalactosamine
26. a) people who have the A antigen do not normally produce the anti-A antibody
27. d) O
28. c) the inheritance of 1 of 3 possible alleles(A,B or O) fro each parent
29. d) any of the choices could happen.
30. c) vitamin C and e) vitamin E [ vitamin E is derived from tocopherols]