Abo Blood Group

Question 1

Majority pf blood group ag are what

Answer 1

Immunogen

Question 2

Immunogen are able to

Answer 2

Elicit antibody

Question 3

Mediated immune response introduced as a foreign subs into a responsive host

Answer 3

Immunogenicity

Question 4

It appears to be weak at birth but at the age of what year, this reach final strength

Answer 4

Antigen A. After one year, agglutinogens

Question 5

Abnormal ag maybe found as

Answer 5

Acquired leukemia (weak A ag) and cancer

Question 6

Certainly tge most immunogenic and thus all blood transfused must be matched for these ag betweem tye blood donor and the recepients

Answer 6

A, B, D ag

Question 7

AfteD ag, yhis is the most immunogenic

Answer 7

K

Question 8

Most important usef for blood transfusion

Answer 8

Abo and rhesus

Question 9

The presence or absence of A, B , H Ag are controlled by

Answer 9

H Ag and ABO genes

Question 10

The presence or absence of ABH Ag are controlled by

Answer 10

H gene

Question 11

The presence and absence of the ABH Ag in secretion is indirectly controlled by

Answer 11

Se gene

Question 12

Site of attachment of the immunodominat sugar

Answer 12

Paragloboside

Question 13

Codes for an enzyme that adds n acetylgalactosamine to the terminal sufar of the H ag

Answer 13

A gene

Question 14

Codes for an enzyme that adds D galactosyltransferase to the terminal sugar of the H Ag

Answer 14

B gene

Question 15

It detected by using anti H antiserum derived from what

Answer 15

H Ag, ulex europeus

Question 16

It is the foundation upon which A and B ag are built

Answer 16

H ag

Question 17

Codes for enzyme that add a sugar to the H Ag

Answer 17

A and B genes

Question 18

These are present at the terminal ends of the chair and confe the ABO Ag specificity

Answer 18

Immunodominant sugar

Question 19

Secretors are controlled by

Answer 19

H and Se gene

Question 20

The secretor gene consist of 2 alleles

Answer 20

Se and se gene

Question 21

It is responsible for the expression of the H ag on glycoprotein structure kocated in the body secretion

Answer 21

Se gene

Question 22

If the Se allele is inherited as SeSe or Sese the person is called

Answer 22

Secretor

Question 23

This express soluble forms of the H ag in secretion that can then be converted to A or B Ag

Answer 23

Secretors

Question 24

Individual who inherit the sese gene are called

Answer 24

Non secretors

Question 25

The se allele is what

Answer 25

An amorph

Question 26

Aka direct typing

Answer 26

Forward typing

Question 27

Other name of forward typing

Answer 27

Routine typing or cell typing

Question 28

Involves the determination pf unknown rbc agglutinogens by testing 2% Rbc saline suspension with known anti sera

Answer 28

Forward typing

Question 29

Indirect typing

Answer 29

Backward tyoing

Question 30

Other word for backward typing

Answer 30

Back uo typing

Question 31

Determination of unknown Ab in the serum using rbc suspension of known types. Employed as confirmatory test

Answer 31

Backward typing

Question 32

There are two potentional precursor subs fpr ABH Ag

Answer 32

Type 1 and Type 2

Question 33

precursor has a terminal galactose linkage to a subterminal N acetylglucosamine in a 1-3 linkage

Answer 33

Type 1

Question 34

The sake combine in 1-4 linkage in

Answer 34

Type 2

Question 35

ABH Ag on red cell are derived form

Answer 35

Type 2 chains

Question 36

ABH Ag in plasma are made from both from

Answer 36

Type 1 and. Type 2 precursor

Question 37

After the fucose is added to the type 2 chain the structure is termed

Answer 37

Type II H

Question 38

H1 and H2 are what

Answer 38

Simple straight chain glycolipids

Question 39

H3 and H4 are

Answer 39

Branched chain

Question 40

Refer to genetically encoded antigen system on erythrocyte, leukocyte, pla,a and platelets

Answer 40

Blood group antigen