Practice Quiz for Rh Blood Types

No. of Questions= 9

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1 Which of the following statements is true of the Rh blood system?
a)  It was the first blood type system to be discovered.
b)  It is more complex genetically than the ABO system.
c)  There are 45 Rh blood types.
d)  b and c
2 The greatest medical problem with the Rh blood group is:
a) transfusion incompatibility
b) chronic anemia for Rh negative individuals
c) chronic anemia for Rh positive individuals
d) none of the above
3 Mother-fetus Rh blood type incompatibility problems can occur if the mother is _____ and her fetus is _____ .
a) Rh positive; Rh positive
b) Rh positive; Rh negative
c) Rh negative; Rh positive
d) Rh negative; Rh negative
e) b and c
4 Which of the following is true of Rh positive people?
a) They are either homozygous dominant (DD) or heterozygous (Dd) for this trait.
b) They are all homozygous dominant (DD).
c) They are all homozygous recessive (dd).
d) They are either homozygous recessive (dd) or heterozygous (Dd) for this trait.
5 Who is at greatest risk for Rh mother-fetus incompatibility problems?
a) Europeans
b) Africans
c) Native Americans
d) all are equally at risk
6 If the father of a fetus is Rh positive and the mother is Rh negative, what are the chances that there will be a mother-fetus incompatibility problem? Assume that the couple has already had a child and that there has been no medical treatment to prevent this problem.
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a) 100%
b) at least 50%
c) less than 50%
d) 0 %
7 Mother-fetus incompatibility problems result from:
a) the mother's antibodies agglutinating the fetus' Rh positive red blood cells
b) the fetus' antibodies agglutinating its own red blood cells
c) the fetus' antibodies agglutinating its mother's red blood cells
8 When a fetus' blood is agglutinated by its mother's Rh antibodies, the severe anemia that results is called:
a) immunization
b) ectopic pregnancy
c) erythroblastosis fetalis
9 Which of the following are true of mother-fetus Rh incompatibility problems?
a) They can be prevented by injecting Rho-GAM into the mother's blood system.
b) They are much less likely to occur during the first pregnancy compared to later pregnancies.
c) Medical treatment can be nearly 100% effective in preventing such problems.
d) all of the above


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