Review

Question 1

How many binding sites does IgM have ?

Answer 1

10

Question 2

When will you see antigens in baby ?

Answer 2

2-4 years

Question 3

What is peak antibody production?

Answer 3

5-10 years

Question 4

When is reactivity considered clinically significant

Answer 4

When it’s at body temp (37 degrees)

Question 5

What is second in importance to ABO ?

Answer 5

Rh system

Question 6

Which antibody masks detection of other antibodies?

Answer 6

Ii

Question 7

Which antibody is rare?

Answer 7

N

Question 8

Which antibody is second to D in the Rh system?

Answer 8

Kell, accounts for 2 thirds of non Rh

Question 9

What preservative agent is inside of LISS?

Answer 9

Glycine

Question 10

What pros do tube testing come with?

Answer 10

It allows the technician to see what going on

Question 11

How do you verify an antibody ID?

Answer 11

Phenotype

Question 12

What must be done with AB pos patients ? why?

Answer 12

separate control to rule out pseudo agglutination

Question 13

Why WONT check cells agglutinate?

Answer 13

If you didn’t wash cells correctly or didn’t add AHG

Question 14

What is indirect testing?

Answer 14

serum, antibody ID , Antibody screen

Question 15

What is direct testing?

Answer 15

red cell, DAT( red cell covered in “Y”)

Question 16

What is Elution used for?

Answer 16

DAT , concentration and purification of Ab , free cold/warm antibodies

Question 17

What does pre transfusion testing

Answer 17

Detects most clerical errors, doesn’t test

Question 18

What is the expiration time for irradiated ?

Answer 18

28 days

Question 19

Computer crosshatch?

Answer 19

Computer chooses blood

Question 20

Immediate spin

Answer 20

Normal patient

Question 21

If given blood by close family member what has to be done?

Answer 21

Must be Irradiated