AAB MT Review Paper Questions and
Answers Verified Solutions Latest Update
2026/2027
Question:
What is the most common genotype that could result from the following phenotype?
Anti-D,C Positive
Anti-E Negative
Anti-c,e Positive
Answer:
R1r
Question:
In which phenotype is there an absence of Rh antigens from the red cell blood cell membrane?
Answer:
Rh null
Question:
Which statement is INCORRECT regarding naturally occurring antibodies?
Answer:
Cross the placenta
Question:
These statements are true regarding naturally occurring antibodies:
Answer:
Usually IgM, react best in saline, react best at 4 degrees C
,Question:
Which of the following antibodies is NOT naturally occurring?
Answer:
Anti-K
Question:
The following antibodies are naturally occurring:
Answer:
anti-Le^a, anti-N, and anti-P1
Question:
Which statement is INCORRECT regarding immune antibodies?
Answer:
Most often found in the MNSs system
Question:
The following statements regarding immune antibodies are correct:
Answer:
Mainly IgG, can cross placenta, react best with antiglobulin
Question:
What is the estimated percentage of patients immunized to the blood group antigens?
Answer:
1%-4%
Question:
Which other antigen belongs to the MNSs blood group system?
Answer:
, U
Question:
Anti-N sometimes shows dosage effect. Which cells will it react with most strongly if showing this
effect?
Answer:
NN
Question:
Which antigen is found in plasma and adsorbed onto the red blood cells?
Answer:
Le^a
Question:
Paroxysmal cold hemoglobinuria (PCH) is often associated with which antibody?
Answer:
anti-P
Question:
The antigen Tj^a is a part of which blood group system?
Answer:
P
Question:
An individual inherits the following genes: Lele Sese Hh AB. What soluble antigens will be
secreted in the patient's saliva?
Answer:
H, A, B, Le^a, Le^b
Answers Verified Solutions Latest Update
2026/2027
Question:
What is the most common genotype that could result from the following phenotype?
Anti-D,C Positive
Anti-E Negative
Anti-c,e Positive
Answer:
R1r
Question:
In which phenotype is there an absence of Rh antigens from the red cell blood cell membrane?
Answer:
Rh null
Question:
Which statement is INCORRECT regarding naturally occurring antibodies?
Answer:
Cross the placenta
Question:
These statements are true regarding naturally occurring antibodies:
Answer:
Usually IgM, react best in saline, react best at 4 degrees C
,Question:
Which of the following antibodies is NOT naturally occurring?
Answer:
Anti-K
Question:
The following antibodies are naturally occurring:
Answer:
anti-Le^a, anti-N, and anti-P1
Question:
Which statement is INCORRECT regarding immune antibodies?
Answer:
Most often found in the MNSs system
Question:
The following statements regarding immune antibodies are correct:
Answer:
Mainly IgG, can cross placenta, react best with antiglobulin
Question:
What is the estimated percentage of patients immunized to the blood group antigens?
Answer:
1%-4%
Question:
Which other antigen belongs to the MNSs blood group system?
Answer:
, U
Question:
Anti-N sometimes shows dosage effect. Which cells will it react with most strongly if showing this
effect?
Answer:
NN
Question:
Which antigen is found in plasma and adsorbed onto the red blood cells?
Answer:
Le^a
Question:
Paroxysmal cold hemoglobinuria (PCH) is often associated with which antibody?
Answer:
anti-P
Question:
The antigen Tj^a is a part of which blood group system?
Answer:
P
Question:
An individual inherits the following genes: Lele Sese Hh AB. What soluble antigens will be
secreted in the patient's saliva?
Answer:
H, A, B, Le^a, Le^b
