Blood Banking Blood Group Systems and Collections Flashcards Preview

Med Lab Tech Fall 2016 > Blood Banking Blood Group Systems and Collections > Flashcards

Flashcards in Blood Banking Blood Group Systems and Collections Deck (16)
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1

Does the D antigen demonstrate dosage?

No

2

What is the antigen frequency percentage of D in Caucasians and African Americans?

W-85
B-92

3

Where are the D antigens distributed?
-Plasma
or
-RBC

-RBC

4

Do enzymes increase, decrease, or have no effect the reactivity of the D antigen?

Enzymes increase the reactivity of the D antigen

5

Does the D antigen bind complement?

No

6

What type of immunoglobulin is D?

IgG

7

What is the optimum temperature for D?

Warm

8

Does the D antigen cause HTR and HDN?

Yes, the D antigen can cause hemolytic transfusion reactions and cause hemolytic disease of the fetus and newborn

9

What is the antigen frequency percentage of C in Caucasians and African Americans?

W-70
B- 34

10

Does the C antigen have a strong or weak expression at birth?

Strong

11

Where are C antigens distributed?
-Plasma
or
-RBC

RBC

12

Does the C antigen demonstrate dosage?

Yes

13

Do enzymes modify the C antigen at all?

Enzymes enhance the reactivity of the C antigen

14

Does the C antigen bind complement?

No

15

What Immunoglobulin is C?

IgG

16

What is the optimum temperature for C?

Warm