TM Blood Components

Question 1

CPD

Answer 1

Includes anticoagulant to preserve whole blood:

citrate: anticoagulant
phosphate: buffer that maintains pH; ATP
dextrose: energy source

Question 2

SAGM

Answer 2

To preserve and re-suspend RBCs:

saline: solution
adenine: ATP
glucose: energy
mannitol: membrane stability

Question 3

FP are frozen within __ hrs of collection

Answer 3

FP are frozen within 24 hrs of collection

Question 4

FFP are frozen within _ hrs of collection

Answer 4

FFP are frozen within 8 hrs of collection

Question 5

Washed RBCs

Answer 5

• reduced plasma proteins
• reduces risk of allergic transfusion reactions

Question 6

Leukoreduced RBCs

Answer 6

• filtered to removed WBCs
• reduces risk of febrile transfusion reactions
• reduces risk of cytomegalovirus (CMV) infection

Question 7

Irradiated RBCs

Answer 7

• destroys all nucleated cells
• particularly lymphs that can cause TAGVD (transfusion-associated graft versus host disease)

Question 8

Irradiated RBCs

Answer 8

• destroys all nucleated cells
• particularly lymphs that can cause TAGVD (transfusion-associated graft versus host disease)

Question 9

Unopened RBCs: storage temp and shelf-life

Answer 9

Unopened: 5°C for 42 days

Question 10

Platelet: Storage temp and shelf-life

Answer 10

RT for 7 days with agitation

Question 11

Frozen plasma: Storage temp and shelf-life (unopened vs thawed)

Answer 11

Unopened: ≤ -18°C for 1 year
Thawed: 4 °C for 5 days

Question 12

Frozen RBC: Storage temp and shelf-life (unopened vs thawed)

Answer 12

Unopened: -70°C for 10 years
Thawed: 4°C for 2 weeks