Boc Guide

1: Blood Bank | Blood Group Systems

55

Questions

What is/are the minimum pretransfusion testing requirement(s) for autologous donations collected and transfused by the same facility? a b c d ABO and Rh typing only ABO/Rh type, antibody screen ABO/Rh type, antibody screen, crossmatch no pretransfusion testing is required for autologous donations

56

mls only

In a quality assurance program, Cryoprecipitated AHF must contain a minimum of how many international units of Factor VIII? a b c d 60 70 80 90

57

An assay of plasma from a bag of Cryoprecipitated AHF yields a concentration of 9 international units (IU) of Factor VIII per mL of Cryoprecipitated AHF. If the volume is 9 mL, what is the Factor VIII content of the bag in IU? a 9 b 18 c 27 d 81

Blood Group Systems

58 Refer to the following diagram:

R1 r 1 2 R1 R1

I

II 1 2 3 4

Given the most probable genotypes of the parents, which of the following statements best describes the most probable Rh genotypes of the 4 children? a 2 are R1r, 2 are R1R1 b 3 are R1r, 1 is rr c 1 is R0r, 1 is R1r, 2 are R1R1 d 1 is R0r′, 1 is R1R1, 2 are R1r 59 The linked HLA genes on each chromosome constitute a(n): a e f g allele trait phenotype haplotype

8 The Board of Certification Study Guide

errata 10/01/2010

1: Blood Bank

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 b c c d b b a d d b b b b d c d d c b d a d b a a d d a c d b a c a c b c b b b d b d c a a b a b c d d a b a c d a 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 d d c a a a a d c d a c a a b c c d b d c d c b d c b c c c c d a b b b d d d c d c b c a c b c c b b c a c c d d d 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139...