BB 11: Compatibility Testing

confirmation of Rh must be done on all Rh ____ labeled units.

negative

if an ABS is positive, an Ab ID to ____ the individual must be done.

phenotype

if a pink top tube is not available for BB testing, a purple top tube containing ____ may be used.

K2EDTA

KT3EDTA purple tops cannot alternatively be used instead of pink top tubes for BB testing. true or false?

true

red top clot tubes cannot alternatively be used instead of pink top tubes for BB testing. true or false?

false

K2EDTA purple top tubes are made of _____.

plastic

K3EDTA purple top tubes are made of _____.

glass

BB samples should be collected within ____ days of transfusion.

3

BB samples for transfusion must be kept at least ____ days post transfusion.

7

BB samples for transfusion can be kept up to ____ days if there is no history of pregnancy or Tx within the last 3 months.

14

a BB blood sample ____ must include:

• first and last name of recipient

• unique MRN

• date and time of collection

• signature of phlebotomist

label

all non type ____ specimens without a previous history record are required to have a second ABO verification specimen to transfuse.

O

the transfusing facility BB is required by AABB standards to confirm on ALL RBC units, the ABO cell grouping and Rh grouping only on units labeled Rh ____.

negative

donor sample testing at the hospital transfusion center, the weak D (D^u) test result is not required to be tested. true or false?

true

the transfusion facility needs to repeat any other testing procedure. true or false?

false

records of repeat typing must be kept for ____ years.

5

platelets and plasma products do not require retyping (reverse grouping) of any kind for donor sample testing at the hospital transfusion center. true or false?

true

what is the alternative blood type given as RBCs/packed cells for a patient with type O blood?

none

what is the alternative blood type given as RBCs/packed cells for a patient with type A blood?

O

what is the alternative blood type given as RBCs/packed cells for a patient with type B blood?

O

what is the alternative blood type given as RBCs/packed cells for a patient with type AB blood?

A, B, O

for AB patients, only one of the three options for alternative blood types that are given as RBCs/packed cells should be used for a patient. true or false?

true

group ____ is the most commonly given alternative type given to AB individuals.

A

if the Rh negative unit is near _____, the unit should be given rather than wasted.

expiration

Rh ____ blood should not be given to Rh negative, child-bearing women.

positive

what is the general age range for “childbearing-aged women”?

14-55

which crossmatch procedure refers to the final ABO check of the patient’s type to the unit of blood?

IS

immediate spin crossmatch is also known as _____ crossmatch.

abbreviated

if there is a positive reaction at the IS crossmatch phase, and the ABS is negative, you can release the unit. true or false?

false

compatibility testing does not ensure normal survival of donor red cells. true or false?

true

compatibility testing proves that donor and/or recipient serum is free of Abs (e.g., low freq). true or false?

false

compatibility testing does not prevent alloimmunization of the recipient true or false?

true

____ transfusions (e.g., platelets, thawed plasma, and cryoprecipitate) requires a patient historical or current ABO grouping only.

non-red cell

compatibility testing is not required for non-red cell transfusions (e.g., platelets, thawed plasma, and cryoprecipitate). true or false?

true