Blood Bank Week 1 Quiz and All
Correct Answers 2025-2026 Updated.
if a person has the genetic makeup Hh, AO, LeLe, sese, which of the following substance will be
found in the secretions?
a. A substance
b. H substance
c. Lea substance
d. Leb substance - Answer c. Lea substance
the following results were obtained when typing a patient's blood sample:
Anti-A: 4+, Anti-B: 2+, A1 cells: 0, B cells: 4+
the laboratory scientist suspects that this is a case of an acquired B antigen. which of the
following would support this suspicion?
a. a positive autocontrol test
b. secretor studies show that the patient is a nonsecretor
c. a patient diagnosis of leukemia
d. the patient's RBCs give a negative result with a monoclonal anti-B reagent lacking the ES-4
clone - Answer d. the patient's RBCs give a negative result with a monoclonal anti-B reagent
lacking the ES-4 clone
which antibody binds to RBCs at cold temperatures and causes lysis as the temperature rises
through movement in peripheral circulation?
a. auto anti-P
b. anti-H
c. anti-I
d. auto non-specific antibody - Answer a. auto anti-P
which of the following sugars must be present on a precursor substance for A and B antigenic
activity to be expressed?
a. D-Galactose
b. N-Acetylgalactosamine
c. Glucose
d. L-Fucose - Answer d. L-Fucose
an antigen-antibody reaction alone does not cause hemolysis. which of the following is required
for RBC lysis?
, a. albumin
b. complement
c. glucose-6-phosphate dehydrogenase (G6PD)
d. antihuman globulin (AHG) - Answer b. complement
a caucasian american female's RBC's gave the following reactions upon phenotyping: D+ C+ E-
c+ e+. which of the following is the most probable Rh genotype?
a. DCe/Dce
b. DCe/dce
c. DCe/DcE
d. Dce/dCe - Answer b. DCe/dce
an african american patient has the following Rh phenotype: D+ C+ E+ c+ e+. which of the
following genotypes is the least probable?
a. DCE/dce
b. DCe/DcE
c. DCe/dcE
d. DcE/dCe - Answer c. DCe/dcE
an individual of the dce/dce genotype given dCe/dce blood has an antibody response that
appears to be anti-C plus anti-D. what is the most likely explanation for this?
a. the antibody is anti-G
b. the antibody is anti-partial D
c. the antibody is anti-Cw
d. the reactions were read incorrectly - Answer a. the antibody is anti-G
if a patient has the Rh genotype DCe/DCe and receives a unit of RBCs from a DCe/dce individual,
what Rh antibody might the patient develop?
a. anti-C
b. anti-c
c. anti-d
d. anti-E - Answer b. anti-c
(Husband) Anti-D: 0, Anti-C: +, Anti-E: 0, Anti-c: +, Anti-e +, Weak D: +
(Wife) Anti-D: 0, Anti-C: 0, Anti-E: 0, Anti-c: +, Anti-e: +, Weak D: 0
(Infant) Anti-D: +, Anti-C: 0, Anti-E: 0, Anti-c: +, Anti-e: +, Weak D: N/A
Correct Answers 2025-2026 Updated.
if a person has the genetic makeup Hh, AO, LeLe, sese, which of the following substance will be
found in the secretions?
a. A substance
b. H substance
c. Lea substance
d. Leb substance - Answer c. Lea substance
the following results were obtained when typing a patient's blood sample:
Anti-A: 4+, Anti-B: 2+, A1 cells: 0, B cells: 4+
the laboratory scientist suspects that this is a case of an acquired B antigen. which of the
following would support this suspicion?
a. a positive autocontrol test
b. secretor studies show that the patient is a nonsecretor
c. a patient diagnosis of leukemia
d. the patient's RBCs give a negative result with a monoclonal anti-B reagent lacking the ES-4
clone - Answer d. the patient's RBCs give a negative result with a monoclonal anti-B reagent
lacking the ES-4 clone
which antibody binds to RBCs at cold temperatures and causes lysis as the temperature rises
through movement in peripheral circulation?
a. auto anti-P
b. anti-H
c. anti-I
d. auto non-specific antibody - Answer a. auto anti-P
which of the following sugars must be present on a precursor substance for A and B antigenic
activity to be expressed?
a. D-Galactose
b. N-Acetylgalactosamine
c. Glucose
d. L-Fucose - Answer d. L-Fucose
an antigen-antibody reaction alone does not cause hemolysis. which of the following is required
for RBC lysis?
, a. albumin
b. complement
c. glucose-6-phosphate dehydrogenase (G6PD)
d. antihuman globulin (AHG) - Answer b. complement
a caucasian american female's RBC's gave the following reactions upon phenotyping: D+ C+ E-
c+ e+. which of the following is the most probable Rh genotype?
a. DCe/Dce
b. DCe/dce
c. DCe/DcE
d. Dce/dCe - Answer b. DCe/dce
an african american patient has the following Rh phenotype: D+ C+ E+ c+ e+. which of the
following genotypes is the least probable?
a. DCE/dce
b. DCe/DcE
c. DCe/dcE
d. DcE/dCe - Answer c. DCe/dcE
an individual of the dce/dce genotype given dCe/dce blood has an antibody response that
appears to be anti-C plus anti-D. what is the most likely explanation for this?
a. the antibody is anti-G
b. the antibody is anti-partial D
c. the antibody is anti-Cw
d. the reactions were read incorrectly - Answer a. the antibody is anti-G
if a patient has the Rh genotype DCe/DCe and receives a unit of RBCs from a DCe/dce individual,
what Rh antibody might the patient develop?
a. anti-C
b. anti-c
c. anti-d
d. anti-E - Answer b. anti-c
(Husband) Anti-D: 0, Anti-C: +, Anti-E: 0, Anti-c: +, Anti-e +, Weak D: +
(Wife) Anti-D: 0, Anti-C: 0, Anti-E: 0, Anti-c: +, Anti-e: +, Weak D: 0
(Infant) Anti-D: +, Anti-C: 0, Anti-E: 0, Anti-c: +, Anti-e: +, Weak D: N/A
