Question 1

Each of the following genotypes is possible for an individual whose red cells react as indicated below except: ANTISERA REACTIONS
Anti-C +
Anti-D +
Anti-E +
Anti-c +
Anti-e +

Accepted Answer

A)  R1R2.
B)  R1r".
C)  Rzr.
D)  R0r'.

Question 2

Red cells that phenotype as D-negative indicate that:

Accepted Answer

A)  they inherited two D genes.
B)  there is no genetic material inherited from the RHD gene from both parents.
C)  a suppressor gene was inherited that is turning off the D gene expression.
D)  reagents currently in use are not detecting the D antigen.

Question 3

If D-negative red cells are given to an R1R1 individual what is the most likely antibody that could develop?

Accepted Answer

A)  Anti-E
B)  Anti-d
C)  Anti-D
D)  Anti-c

Question 4

Match the following phenotypes with the most probable genotype in the Weiner nomenclature.
-ce

Accepted Answer

A)  R1r
B)  R1R1
C)  R2R2
D)  rr

Question 5

An individual's blood cells gave the following reactions with antisera: 
Anti-D Anti-C Anti-E Anti-c Anti-e Rh control
4+    3+    0      3+   3+    0
The most probable genotype is:

Accepted Answer

A)  R1R2
B)  R2r
C)  R0r
D)  R1r

Question 6

Match the following phenotypes with the most probable genotype in the Weiner nomenclature.
-DCce

Accepted Answer

A)  R1r
B)  R1R1
C)  R2R2
D)  rr

Question 7

Which of the following is associated with the Rhnull phenotype?

Accepted Answer

A)  Membrane abnormalities
B)  Immunized Rhnull individuals may produce anti-Rh29
C)  Mutation of the RhAG regulator gene
D)  All of the above

Question 8

Match the Fisher-Race notation with the correct Weiner notation for the following:
-Rz

Accepted Answer

A)  Ce
B)  CE
C)  DCE
D)  Dce

Question 9

An anti-E was identified in a patient who recently received a transfusion.What other Rh system antibody should be investigated?

Accepted Answer

A)  Anti-G
B)  Anti-f
C)  Anti-D
D)  Anti-c

Question 10

Anti-D reagent and the Rh control were tested with red cells.Both tests were 2+ agglutination reactions.What is the interpretation of the results?

Accepted Answer

A)  D-positive
B)  D-negative
C)  Unable to interpret without further testing
D)  D-positive if the sample is from a patient

Exam 5: Rh Blood Group System

Which of the following is associated with the Rh_nullphenotype?

Correct Answer
verified

An individual's blood cells gave the following reactions with antisera: Anti-D Anti-C Anti-E Anti-c Anti-e Rh control 4+ 3+ 0 3+ 3+ 0 The most probable genotype is:

Correct Answer
verified

Each of the following genotypes is possible for an individual whose red cells react as indicated below except: ANTISERA REACTIONS Anti-C + Anti-D + Anti-E + Anti-c + Anti-e +

Correct Answer
verified

Match the following phenotypes with the most probable genotype in the Weiner nomenclature. -DCce

Correct Answer
verified

Match the following phenotypes with the most probable genotype in the Weiner nomenclature. -ce

Correct Answer
verified

Red cells that phenotype as D-negative indicate that:

Correct Answer
verified

Anti-D reagent and the Rh control were tested with red cells.Both tests were 2+ agglutination reactions.What is the interpretation of the results?

Correct Answer
verified

If D-negative red cells are given to an R₁R₁individual what is the most likely antibody that could develop?

Correct Answer
verified

An anti-E was identified in a patient who recently received a transfusion.What other Rh system antibody should be investigated?

Correct Answer
verified

Match the Fisher-Race notation with the correct Weiner notation for the following: -R^z

Correct Answer
verified

Exam 5: Rh Blood Group System

Which of the following is associated with the Rhnull phenotype?

Correct AnswerverifiedShow Answer

An individual's blood cells gave the following reactions with antisera: Anti-D Anti-C Anti-E Anti-c Anti-e Rh control 4+ 3+ 0 3+ 3+ 0 The most probable genotype is:

Correct AnswerverifiedShow Answer

Each of the following genotypes is possible for an individual whose red cells react as indicated below except: ANTISERA REACTIONS Anti-C + Anti-D + Anti-E + Anti-c + Anti-e +

Correct AnswerverifiedShow Answer

Match the following phenotypes with the most probable genotype in the Weiner nomenclature. -DCce

Correct AnswerverifiedShow Answer

Match the following phenotypes with the most probable genotype in the Weiner nomenclature. -ce

Correct AnswerverifiedShow Answer

Red cells that phenotype as D-negative indicate that:

Correct AnswerverifiedShow Answer

Anti-D reagent and the Rh control were tested with red cells.Both tests were 2+ agglutination reactions.What is the interpretation of the results?

Correct AnswerverifiedShow Answer

If D-negative red cells are given to an R1R1 individual what is the most likely antibody that could develop?

Correct AnswerverifiedShow Answer

An anti-E was identified in a patient who recently received a transfusion.What other Rh system antibody should be investigated?

Correct AnswerverifiedShow Answer

Match the Fisher-Race notation with the correct Weiner notation for the following: -Rz

Correct AnswerverifiedShow Answer

Which of the following is associated with the Rh_nullphenotype?

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

If D-negative red cells are given to an R₁R₁individual what is the most likely antibody that could develop?

Correct Answer
verified

Correct Answer
verified

Match the Fisher-Race notation with the correct Weiner notation for the following: -R^z

Correct Answer
verified