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1
Q

Reagent used to detect presence of
ABO subgroups
a. anti-A
b. anti-B
c.Anti-A,B
d. all of the choices

A

c

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2
Q

Produces a mixed-field reaction
with polyclonal anti-A and
polyclonal anti-A,B
a. A1
b.A2
c.A3
d. A

A

c

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3
Q

Hemolytic transfusion reaction
occurs when a weak subgroup A
receives blood from type O blood.
a.True
b.False

A

b

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4
Q

The type of hemolytic transfusion
reaction caused by incompatible
transfusion from ABO blood group
a.Extravascular hemolysis
b.Intravascular hemolysis

A

b

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5
Q

A person with a genotype AO is
phenotyped as
a.A
b.O
c. AO

A

a

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6
Q

“O” expresses no antigen hence, it is
a. Amorph
b. recessive
c.both

A

a

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7
Q

Anti-A and Anti-B are predominantly
a.IgG
b.IgM
c. IgG and IgM

A

b

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8
Q

Detected in the ABO forward typing
a.Antigen
b.antibody

A

a

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9
Q

Reagents used in reverse typing
a. anti-A, anti-B
b. A1 and B cells
c. either

A

b

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10
Q

Which among the following can be a
problem with forward grouping?
a. cold autoantibodies
b. newborn
c.Bone marrow transplant

A

c

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11
Q

Causes delayed hemolytic
transfusion reaction
a. kell
b.Kidd
c. duffy
d. Rh

A

b

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12
Q

Phenotype of Lewis secretor
a. Le(a+b)
b. Le (a-b+)
c. Le(a-b-)

A

b

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13
Q

Requires a blood warmer for
transfusion
a. anti-l
b. anti-i
c.anti-P
d. anti-lu

A

c

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14
Q

Implicated in HTR and HDFN
a. anti-Lu
b. anti-Lub
c. both

A

b

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15
Q

Enzyme treated cells may be used
a.FyFy
b.MNSs
c.JkaJkb
d.all of the choices

A

c

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16
Q

Rh antibodies are
a. cold antibodies
b.Warm antibodies
c. both

A

b

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17
Q

Rhogam (RhIG) is administered
a. within 72 hrs. pre-delivery
b. within 72 hrs. post-delivery

A

b

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18
Q

An individual who lacks K antigens
but have Kx antigen
a. Knull
b.Ko
c.Both

A

c

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19
Q

Mcleod phenotype
a.Lacks Kx
b. marked expression of Kell
antigens
c.both

A

a

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20
Q

Resistant to malarial infection by
Plasmodium vivax
a.Duffy negative
b. Duffy positive
c. neither

A

a

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21
Q

What antibodies are formed by a
Bombay individual?
a. anti-A and anti-B
b. anti-H
c. anti-A,3
d.Anti-A,B and H

A

d

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22
Q

If a parent has the Rh genotype R1R1
and receives a unit of R packed red
blood cells from an R1r individual,
what Rh antibody might the patient
develop?
1. Anti-E;
2. Anti-e;
3. Anti-C;
4. Anti-c

A

4

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23
Q

What possible genotype for a patient
who develops anti-E antibody?
1. R2r;
2. R1R1;
3. r2r2;
4. Rr;

A

4

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24
Q

HDFN occurs due to which of the
following blood incompatibilities
between mother and fetus?
a. mother Rh+, fetus Rh-
b. mother Rh-, fetus Rh+
C. Both

A

b

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25
A father who is Rh+ and mother who is Rh- will most likely result to developing HDFN to the first and succeeding pregnancies a.True b.False
b
26
HDFN results due to the reaction between the fetal antibodies to the maternal red cells. a.True B.False
b
27
A type “O” fetus would most likely develop a non-severe type of HDFN if the mother is “A”, “B”, or “AB”. a.True b.False
b
28
Antigen system NOT initially present on the red blood cell surface is a. Duffy b.Lewis
b
29
I antigen is found in a.all newborn:no adults b.No newborns; all adults c.no human beings d.all persons to some degree
b
30
Rh antibodies react best at what temperature? a. 22C b 18C c. 150 d. 37C
d
31
Rh antibodies are primarily of which immunoglobulin class? A.IgA B.IgM C. IgG D.IgD
c
32
Non-specific reaction a.acquired immunity b.Innate immunity
b
33
Immune response to transfused incompatible HLA antigens causes fever and chills a. Febrile, non-hemolytic transfusion reaction b.Febrile,hemolytic transfusion reaction c.non-febrile, non hemolytic transfusion reaction d. non-febrile, hemolytic transfusion reaction
a
34
Single immunoglobulin unit a.IgG b.IgM c.both
a
35
Membranes of platelet have protein antigens a.True b.false
a
36
Clinically important antibodies best react at a.20-24C B.37ºC c.depending on the type of antibody detected
b
37
Antibody excess a.Post-zone b.Pro-zone
b
38
A cloudy solution appears in hemagglutination reported as a.1+ b. 2+ c.3+ d.4+ e.all of the choices
a
39
Actual genetic make-up a.Genotype b.phenotype c.genetic focus d.gene
a
40
Having two or more possible alleles at a locus a.antiethical b.dominant c.Polymorphic d.recessive
c
41
Inheritance of identical alleles a.Homozygous b.heteroxygous c.dominant d.recessive
a
42
Agglutination reactions are generally stronger for homozygous cells and slightly weaker for heterozygous cells a.Cis B.Dosage c.Trans
b
43
Full expressions of ABO antigens a.6months-1year b.2-4years
b
44
Sugar attached to B antigens of the ABO a.N-acetylgalactosamine b.D-galactose c.L-fructose
b
45
Agglutinates of the A subgroups of the ABO a.anti A b.anti B c.Anti-A,B
c
46
An amorph allele a.A b.B c.AB d.O
d
47
Clinical specimen for ABO forward typing A.RBC suspension B.serum C. either
a
48
Bombay phenotype a.OH b.Oh
49
Which of the following is not a secretor? a.Sese b.sese c.SeSe d.none of the choices
b
50
Weak D individuals are a.Rh negative b.Rh positive
b
51
A partial D individual a. Rh positive b. Rh negative c. able to produce anti-D d. A and C
d
52
Knull a.lacks Kx antigen b. Increase amount of Kx antigen
b
53
Clinically significant antibody a.anti-Le b.anti-I c.anti-P D.anti-Lub e.all of the choices
d
54
Enzyme treatment is possible a.FyFy b.MNSs c.JkaJkb d.all of the choices
c
55
Determines capability of donor RBCs with recipient’s blood a.antibody screen b.antibody identification c.Crossmatch
c
56
Enhances the formation of antigen- antibody complexes A.antisera b.antiglobulin reagents C.Potentiators
c
57
Check cells ensure negative antiglobulin test hence, a valid result is a.Agglutination b.no agglutionation
a
58
Detects ABO antibodies a.antibody screening test b.antibody panel cells c.forward typing d.Reverse type
d
59
Detects in vivo agglutination a.DAT b. IAT
a
60
Detects in vitro agglutination a.DAT b.IAT
b

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