Blood Bank Chapter 7 Test Solution Manual Rated A+
Which of the following facts is not a characteristic of Kell system antibodies? - Answers Lose reactivity
with proteolytic enzyme reagents
Antibodies to Kidd, Kell, and Duffy blood group antigens share all the following characteristics except: -
Answers enhanced with enzyme treatment.
K-positive donor red cells were mistakenly transfused to a recipient with anti-K. The patient's
posttransfusion blood sample has a positive direct antiglobulin test with polyspecific antihuman
globulin. The direct antiglobulin test is positive because anti-K is an __________ antibody that has
sensitized the __________ cells in vivo. - Answers IgG, donor's
Which of the following phenotypes is heterozygous? - Answers Fy(a+b+)
Antibodies to which of the following blood group system show dosage (i.e., are stronger with
homozygous expression of the antigen)? - Answers Duffy
Why are antibodies to Lub antigen not commonly detected? - Answers Lub antigen is of high incidence.
Why have Lewis system antibodies not been implicated in hemolytic disease of the fetus and newborn?
all - Answers The antigens are not fully developed at birth.
Lewis system antibodies do not cross the placenta.
The antibodies are not clinically significant.
All of the above are correct.
All the following statements are true regarding Lewis system antibodies except antibodies: - Answers do
not react following enzyme treatment of cells.
What phenotype will be expressed when the Le, Se, and H genes are inherited? - Answers Le(a-b+)
Predict the probable antibody's identity if all red cells tested at room temperature are positive with a
patient's serum except for cord cells. - Answers Anti-I
Which condition is often associated with the presence of anti-I? - Answers Mycoplasma pneumoniae
infection
Which of the following blood group systems are structurally related to antigens of the P system? -
Answers ABH
What characterizes the Donath-Landsteiner antibody? - Answers An IgG auto anti-P.
Red cells that phenotype as S-s- are also: - Answers U-negative.
Which of the following facts is not a characteristic of Kell system antibodies? - Answers Lose reactivity
with proteolytic enzyme reagents
Antibodies to Kidd, Kell, and Duffy blood group antigens share all the following characteristics except: -
Answers enhanced with enzyme treatment.
K-positive donor red cells were mistakenly transfused to a recipient with anti-K. The patient's
posttransfusion blood sample has a positive direct antiglobulin test with polyspecific antihuman
globulin. The direct antiglobulin test is positive because anti-K is an __________ antibody that has
sensitized the __________ cells in vivo. - Answers IgG, donor's
Which of the following phenotypes is heterozygous? - Answers Fy(a+b+)
Antibodies to which of the following blood group system show dosage (i.e., are stronger with
homozygous expression of the antigen)? - Answers Duffy
Why are antibodies to Lub antigen not commonly detected? - Answers Lub antigen is of high incidence.
Why have Lewis system antibodies not been implicated in hemolytic disease of the fetus and newborn?
all - Answers The antigens are not fully developed at birth.
Lewis system antibodies do not cross the placenta.
The antibodies are not clinically significant.
All of the above are correct.
All the following statements are true regarding Lewis system antibodies except antibodies: - Answers do
not react following enzyme treatment of cells.
What phenotype will be expressed when the Le, Se, and H genes are inherited? - Answers Le(a-b+)
Predict the probable antibody's identity if all red cells tested at room temperature are positive with a
patient's serum except for cord cells. - Answers Anti-I
Which condition is often associated with the presence of anti-I? - Answers Mycoplasma pneumoniae
infection
Which of the following blood group systems are structurally related to antigens of the P system? -
Answers ABH
What characterizes the Donath-Landsteiner antibody? - Answers An IgG auto anti-P.
Red cells that phenotype as S-s- are also: - Answers U-negative.
