3.10 Principles of Transfusion

Question 0

Maximum number of times a person can donate whole blood in a year?

Answer 0

Four times

Question 1

Tubing for blood transfusion is usually inserted in what part of the body?

Answer 1

Dorsum of the hand. Foot for pediatric patients.

Question 2

Lining seen between concentrated RBC and plasma when whole blood is centrifuged?

Answer 2

Buffy Coat

Question 3

Buffy coat is composed of?

Answer 3

Leukocytes and platelets

Question 4

Four products that are can be acquired from whole blood?

Answer 4

RBC, liquid plasma, cryoprecipitate and cryosupernate

Question 5

T/F Settling of RBC in whole blood can happen without centrifugation.

Answer 5

True

Question 6

Whole blood must be kept under what temperature? And for how long?

Answer 6

2-6C for 35 days.

Question 7

T/F A patient can be transfused whole blood while actively bleeding.

Answer 7

True

Question 8

Usual amount of RBC in whole blood

Answer 8

350mL

Question 9

RBC transfusion is contraindicated in patients with

Answer 9

Anemia.

Question 10

RBC is indicated for patients with

Answer 10

deficiency of oxygen-carrying capacity or tissue hypoxia

Question 11

T/F RBC component of whole blood has platelets and WBCs.

Answer 11

True.

Question 12

Temperature in which platelets are stored

Answer 12

22-24C

Question 13

Contraindicated in platelet transfusion

Answer 13

Autoimmune thrombocytopenia or thrombocytopenic Purpura.

Question 14

Blood component with the shortest shelf life

Answer 14

Platelets

Question 15

Cold insoluble portion of plasma after Fresh Frozen Plasma (FFP) has been thawed

Answer 15

Cryoprecipitate

Question 16

Cryoprecipitate contains the following:

Answer 16

Factors VIII, XIII, fibrinogen, fibronectin, ristocetin

Question 17

The only difference of cryosupernate and cryoprecipitate

Answer 17

Presence of factor VIII in cryoprecipitate

Question 18

Law promoting voluntary blood donation to provide sufficient supply of safe blood and to regulate blood banks.

Answer 18

R.A. 7719 also known as National Services Act of 1994

Question 19

Mission of RA 7719 includes the following except

Blood safety, blood screening, blood adequacy, regulated blood use, efficiency of blood services,

Answer 19

Blood screening

Question 20

A donor must at least have this amount of Hgb to be qualified to donate.

Answer 20

125 g/L

Question 21

Second safest donor category

Answer 21

Volunteer donor

Question 22

Safest donor category

Answer 22

Autologous donor

Question 23

A complication that can occur after a stem cell or bone marrow transplant in which the newly transplanted donor ells attach the transplant recipients body

Answer 23

Graft-versus-host-disease

Question 24

An automated blood collection technique wherein donor or patient is connected to a cell separator equipment to remove one or more components from his blood and return the remaining component back to the donor or patient

Answer 24

apharesis

Question 25

Pertains to a time wherein virus is present in the body but still indicates a negative in blood test

Answer 25

Window period

Question 26

Used by donors to defer the used of their blood

Answer 26

Confidential unit exclusion (CUE)

Question 27

T/F A person will weight one kilogram less after donation

Answer 27

False. Half liter or half kilogram

Question 28

T/F a 70 year old male cannot donate blood due to decreased blood supply

Answer 28

False. They can still donate as long as there is no underlying ill ess and blood pressure is normal.

Question 29

T/F If a blood bag is open, blood expires in 6hours

Answer 29

False. 24 hours

Question 30

Architect 1000 (TD analyzer Machine) can test all transmissible disease except for

Answer 30

Malaria

Question 31

Refrigerator at -72 to -80 can store up blood for about how long?

Answer 31

5 years.