Blood bank Quiz #3 Quiz

Question 1

Which antigen is not produced on the RBC, but by tissue and secreted into body fluids, then absorbed into RBC surface?

Accepted Answer

Lewis

Question 2

Patient sample must be labeled with full name, a second unique identifier, date collected and phleb initial

Accepted Answer

True

Question 3

What is the first critical step in crossmatch?

Accepted Answer

Positive patient identification

Question 4

What is the the definition of antibody demonstrating dosage?

Accepted Answer

Homozygous red cells were stronger

Question 5

What tests detects serologic incompatibility between donor RBCs and recipient serum?

Accepted Answer

crossmatch

Question 6

Criteria for electronic crossmatching

Accepted Answer

2 blood types on 2 different times, antibody screen neg, no previous Ab

Question 7

What tests are included in the compatibility testing?

Accepted Answer

All of the above

Question 8

Which of the following antibodies may not detect in the antibody screen?

Accepted Answer

Anti-V

Question 9

If there is a clinically significant Ab detected in patient specimen, what crossmatch is required by regulations?

Accepted Answer

Immediate spin and AHG crossmatch

Question 10

A crossmatch demonstrating a 2+ agglutination is compatible

Accepted Answer

False

Question 11

A crossmatch specimen is good for how many days?

Accepted Answer

72 hours/3 calendar days

Question 12

Disease association with Duffy (Fya) (Fyb)

Accepted Answer

Malaria

Question 13

McLeod Phenotype relates to

Accepted Answer

Depressed K antigens

Question 14

Which statement is characteristic associated with Anti-I?

Accepted Answer

It reacts best at 37 C

Question 15

Select a characteristic of HTLA antibodies

Accepted Answer

Usually clinically insignificant

Question 16

A patient has a history of Jka. Current Ab screen is negative. What blood type and what testing should be performed?

Accepted Answer

1) Jk (a-) red blood cells, antiglobulin crossmatch

Question 17

Which antibody is naturally occurring, cold reacting, destroyed by enzymes, don't bind complement and can show dosage?

Accepted Answer

Anti-M

Question 18

Blood bank performing crossmatch must confirm ABO of donor and Rh type on donor unit that labeled Rh neg

Accepted Answer

True

Question 19

What ABO and D types are selected for RBC units issued to a patient in emergency release?

Accepted Answer

Group O, D-negative

Question 20

What is the second critical step in patient compatibility testing?

Accepted Answer

Check previous history of the patient

Questions 20