Deck1

Question 1

What is the term used to describe when the forward type doesn’t match the reverse type?

Answer 1

indeterminate

Question 2

Do BM patients qualify for electronic cross match?

Answer 2

no

Question 3

BM and any immune compromised patient receives what type of blood?

Answer 3

• irradiated
• O neg if discrepant
• match if undiscrepant

Question 4

T or F

ALL Elec.CM can be run as IS CM

Answer 4

T

Question 5

T or F

ALL IS CM can be run as Elec.CM

Answer 5

F

Question 6

Storage Temp: RBC’s

Answer 6

1-6C

Question 7

Storage Temp: RBC’s Frozen

Answer 7

-65C

Question 8

Storage Temp: Platelets

Answer 8

20-24C

Question 9

Storage Temp: Plasma frozen

Answer 9

-18C

Question 10

Storage Temp: Thawed plasma

Answer 10

1-6C

Question 11

Storage Temp: Cryoprecipitate

Answer 11

-18C

Question 12

Storage Temp: granulocytes

Answer 12

20-24C

Question 13

Clotting factor concentrate

Answer 13

Cryoprecipitate

Question 14

Increases oxygen carrying capacity

Answer 14

RBC’s

Question 15

prevents graft vs host disease

Answer 15

Irradiation

Question 16

controls capillary bleeding

Answer 16

Platelets

Question 17

Reduces alloimmunization to WBC

Answer 17

Leukoreduction

Question 18

contains all the clotting factors

Answer 18

FFP

Question 19

fights infections

Answer 19

granulocytes

Question 20

has all clotting factors except V and VII

Answer 20

Thawed plasma

Question 21

what special requirements does a sickle cell patient need?

Answer 21

• Fresh <7days
• C K E antigen negative
• Hgb S negative

Question 22

will the ABO discrepancy resolve in a BM patient?

Answer 22

no, never

Question 23

in a BM transplant patient what blood group should be given?

Answer 23

Irradiated blood that is compatible with both the forward and reverse type.

Question 24

Do sickle cell patients qualify for an Elect. CM?

Answer 24

Yes, if they fit the criteria and do not have an antibody even though we are giving C K E antigen negative blood

Question 25

what are the 6 criteria for Electronic Cross Match

Answer 25

• Type and Screen must be less than 3 days old
• Patient ABO/Rh perfomed 2x by Diff. Techs
• Antibody screen must be negative
• No History of antibody
• No ABO discrepancy or Emergency release
• FDA Qualified EC

Question 26

what do we give in a trauma situation?

Answer 26

O neg blood

AB plt’s and plasma

Question 27

a person that qualifies for an electronic crossmatch also qualifies for ?

Answer 27

IS

Question 28

if we have a: positive screen, pan agglutinin, Positive auto control, how do we correct the problem?

Answer 28

30 min no add(PEG or LISS) screen.

• if Pos–> adsorption
• if Neg—>warm auto

Question 29

How do you resolve an ABO descrepantcy caused by a cold auto?

Answer 29

Prewarm saline and wash patient cells for forward type.

Prewarm cells for reverse type.

Question 30

What does a cold auto look like in an ABO/Rh type?

Answer 30

All cells forward and reverse type positive

Question 31

When do we perform an elution?

Answer 31

• positive DAT
• Immune Hemolysis
• HDFN

Question 32

When do we perform an IS cross match?

Answer 32

• IS negative
• antibody screen is negative
• no Ab history

Question 33

When should an AHG cross match be performed?

Answer 33

• IS Is positive
• antibody screen is positive
• or records show history of Ab

Question 34

Equation to determine # of units to screen when patient has Ab

Answer 34

= (# of units ordered/ % compatible)