BB LAB RED CELL SUSPENSION

Question 1

Liquid portion of the blood with anticoagulant

Answer 1

Plasma

Question 2

Liquid portion of blood without anticoagulant

Answer 2

Serum

Question 3

What tube is used in Red cell suspension to acquire serum?

Answer 3

Plain tube / Red top tube

Question 4

Red cell blood suspension are prepared to wash off?

Answer 4

Excess protein and fibrin clots

Question 5

Why do we need to wash off excess protein and fibrin clots?

Answer 5

To eliminate false reactions:
false positive and false negative

Question 6

Materials used in Red cell suspension

Answer 6

Blood sample
Test tubes
Plain tube
EDTA tube
Centrifuge
Buffered normal saline

Question 7

Final result of Red cell suspension

Answer 7

Bright Red

Question 8

Composition of Normal Saline Solution

Answer 8

0.85% sodium chloride

Question 9

How many drops of whole blood is transferred into the test tube?

Answer 9

2-3 drops

Question 10

How many times should we wash red cell

Answer 10

3 times

Question 11

Wash red cell three times with _____

Answer 11

Buffered normal saline

Question 12

After the 3rd washing, how many drop/s of blood will be transferred to a test tube, and how many drops of buffered normal saline should be added?

Answer 12

1 drop blood
19 drops buffered normal saline

Question 13

Centrifuge the blood for

Answer 13

3 mins

Question 14

Normal Saline Solution should be within __________ concentration

Answer 14

0.85% to 0.90%