MMSC 409 FINAL REVIEW COURSE
QUESTIONS AND ANSWERS TEST BANK FOR
2026.
◍ Sharon has a current negative antibody screening but she has a
history of a known antibody: anti-e. Her surgeon ordered 4 RBCs on
hold for tomorrow's surgery. How many donor RBCs need to be
screened to fulfill this blood order for 4 RBCs.
A. 5
B. 50
C. 150
D. 200. Ans: B. 50
◍ In which of the following blood group systems is a person
expected to routinely have antibodies present in their plasma to
antigens that are missing from their rbcs
A. ABO
B. Rh
C. Lewis
D. Kell. Ans: A. ABO
, ◍ Which of the following units of RBCs would be most suitable for
issue upon an initial request for emergency release, uncrossmatched
RBCs for a 29 year old female trauma victim
A. AB neg
B. A pos
C. O pos
D. O neg. Ans: D. O neg
◍ All of the following must be included on the label of a blood
specimen to be used for prestransfusion except:
A. Medical Record Number
B. Patient full name
C. Date of Collection
D. Room or Bed Number. Ans: D. Room and Bed Number
◍ Bg antigens are associated with which of the following antigens:
A. B antigen
B. A antigen
C. H antigen
D. HLA antigen. Ans: D. HLA antigen
, ◍ The Jk(a-b-) is a rare phenotype that has been encountered more
frequently in people from what area:
A. Hawaii
B. China
C. Africa
D. Vietnam. Ans: A. Hawaii
◍ Approximately what percentage of the U.S. population is D
positive
A. 4%
B 30%
C. 70%
D. 85%. Ans: C. 70 %
◍ Which of the following is the correct distinction between the IAT
and DAT?
A. A DAT is used as an in vitro test to predict the success of a possible
transfusion, while the IAT is utilized to assess possible in vivo
sensitization that has already occurred.
B. A DAT is utilized to assess possible in vivo sensitization that has
already occurred, while the lAT is used as an in vitro test to predict
the success of a possible transfusion.
QUESTIONS AND ANSWERS TEST BANK FOR
2026.
◍ Sharon has a current negative antibody screening but she has a
history of a known antibody: anti-e. Her surgeon ordered 4 RBCs on
hold for tomorrow's surgery. How many donor RBCs need to be
screened to fulfill this blood order for 4 RBCs.
A. 5
B. 50
C. 150
D. 200. Ans: B. 50
◍ In which of the following blood group systems is a person
expected to routinely have antibodies present in their plasma to
antigens that are missing from their rbcs
A. ABO
B. Rh
C. Lewis
D. Kell. Ans: A. ABO
, ◍ Which of the following units of RBCs would be most suitable for
issue upon an initial request for emergency release, uncrossmatched
RBCs for a 29 year old female trauma victim
A. AB neg
B. A pos
C. O pos
D. O neg. Ans: D. O neg
◍ All of the following must be included on the label of a blood
specimen to be used for prestransfusion except:
A. Medical Record Number
B. Patient full name
C. Date of Collection
D. Room or Bed Number. Ans: D. Room and Bed Number
◍ Bg antigens are associated with which of the following antigens:
A. B antigen
B. A antigen
C. H antigen
D. HLA antigen. Ans: D. HLA antigen
, ◍ The Jk(a-b-) is a rare phenotype that has been encountered more
frequently in people from what area:
A. Hawaii
B. China
C. Africa
D. Vietnam. Ans: A. Hawaii
◍ Approximately what percentage of the U.S. population is D
positive
A. 4%
B 30%
C. 70%
D. 85%. Ans: C. 70 %
◍ Which of the following is the correct distinction between the IAT
and DAT?
A. A DAT is used as an in vitro test to predict the success of a possible
transfusion, while the IAT is utilized to assess possible in vivo
sensitization that has already occurred.
B. A DAT is utilized to assess possible in vivo sensitization that has
already occurred, while the lAT is used as an in vitro test to predict
the success of a possible transfusion.
