Blood Group System Flashcards

1
Q

____ discovered the ABO blood group system in 1901

A

Landsteiners

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2
Q

In Landsteiners law, if an ____ is present on a patient’s red blood cells, the corresponding _____ will not be present in the patient’s plasma, under normal conditions

A

antigen(Ag)

Antibody (Ab)

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3
Q

At least ___ commonly occuring antigens have been found on the cell membrane of RBC’s

A

300

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4
Q

The basis of blood grouping depends on?

A

Multiplicity of Antigens in the blood cells

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5
Q

The two groups or systems of antigens that cause transfusion reactions more than others are?

A

ABO system

Rh system

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6
Q

Naturally occurring antibodies are what class?

A

IgM class

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7
Q

IgM antibodies class, are antibodies capable of?

A

Agglutination

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8
Q

Almost all normal healthy individuals above 3-6 months of age have naturally occurring antibodies to?

A

The ABO antigens that they lack

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9
Q

An individual inherits ___ ABO gene from ___ parent which determine their antigens

A

One

Each

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10
Q

A heterozygous individual will have what types of genes?

A

AO

BO

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11
Q

A homozygous individual will have what types of genes?

A

AA

BB

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12
Q

Phenotype is the actual expression of the?

A

Genotype

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13
Q

Genotype is the actual ___ which can only be determined by family studies

A

Inherited genes

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14
Q

The possible offspring of two homozygous A parents are?

A

AA

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15
Q

The possible offspring of two heterozygous A parents are?

A

AA
AO
OO

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16
Q

The possible offspring of one heterozygous A parent and one homozygous A parent are?

17
Q

The possible offspring of one heterozygous B parent and one homozygous B parent are?

18
Q

The possible offspring of two heterozygous B parents are?

19
Q

The possible offspring of two homozygous B parents are?

20
Q

The relative frequency of O blood group is?

21
Q

The relative frequency of A blood group is?

22
Q

The relative frequency of B blood group is?

23
Q

The relative frequency of AB blood group is?

24
Q

Group O has ___ antibodies with ___ antigens present

25
Group A has ___ antibodies with no ___ antigens present
B
26
Group B has ___ antibodies with no ___ antigens present
A
27
Group AB has ___ antibodies with ___ antigens present
No ABO | A and B
28
Group O is also known as?
Universal donnor
29
Group AB is also known as the?
Universal recipient
30
There are more than ___ different Rh antigens
50
31
Rh system was identified by ___ in 1940
Landsteiner and Weiner
32
The presence and absence of Rh antigen D on RBCs is referred to as?
D positive and D negative respectively
33
Four additional Rh antigens are?
C c E e
34
Some blood transfusion reactions are?
``` Acute Delayed Iron overload Alloimmunization Non-immune haemolysis Hypotensive reactions Acute pain reaction ```
35
Acute Blood transfusion reactions are caused by?
ABO incompatibility
36
An Acute Blood transfusion reaction symptom is?
Intravascular haemolysis
37
Delayed blood transfusion reaction is mostly caused by?
Rh problems
38
A Delayed blood transfusion reaction symptom is
Extravascular haemolysis but may be intravascular