QUIZ 1 BLOOD BANK

Question 1

procedure that is performed to detect unknown antigen or unknown antibody using known reagent

Answer 1

BLOOD TYPING/GROUPING

Question 2

Considered as the routine screening procedure in blood typing

Answer 2

DIRECT/FORWARD CELL TYPING

Question 3

What are the 3 typing sera

Answer 3

1. anti - a
2. anti - b
3. anti - a,b

Question 4

define anti a,b

Answer 4

used as a control in forward/direct/cell typing and to detect both a and b antigen

Question 5

Considered as the confirmatory procedure

Answer 5

INDIRECT/REVERSE/BACKWARD/SERUM TYPING

Question 6

Reagent used in indirect method

Answer 6

red cell suspension (5% tomato red color)

Question 7

who are not qualified for indirect typing

Answer 7

newborns, geriatric and px with immuno def./supression

Question 8

method of choice for rapid/bedside typing

Answer 8

SLIDE

Question 9

procedures performed are direct and indirect ; • Method of choice for routine typing

Answer 9

TUBE

Question 10

used in reverse typing

Answer 10

PLAIN/NEUTRAL GEL

Question 11

used in Coomb’s test

Answer 11

LOW IONIC GEL TEST

Question 12

applicable to forward/direct typing

Answer 12

SPECIFIC GEL TYPING

Question 13

Cross bridging/linking of antibodies adjacent to the antigen

Answer 13

HEME AGGLUTINATION REAX

Question 14

o Soluble & present in body fluids

Answer 14

Glycoproteins

Question 15

Prevention of red cell clumping through neutralizing the sample

Answer 15

SALIVA NEUTRALIZING TEST

Question 16

One solid clump;

RBC are present on the topmost layer

Answer 16

4+

Question 17

Very small size clumps

RBC are found near the bottom part of the tube

Answer 17

+/-

Question 18

RBC are present at the upper & lower part of the column where most cells present at the center
Presence of medium size clumps

Answer 18

2+

Question 19

Presence of numerous large size clumps

RBC are present on the upper portion of the column

Answer 19

3+

Question 20

Absence of agglutination reaction

RBC button is formed at the bottom of the tube

Answer 20

NEGATIVE