3.10 Principles of Transfusion Flashcards
Maximum number of times a person can donate whole blood in a year?
Four times
Tubing for blood transfusion is usually inserted in what part of the body?
Dorsum of the hand. Foot for pediatric patients.
Lining seen between concentrated RBC and plasma when whole blood is centrifuged?
Buffy Coat
Buffy coat is composed of?
Leukocytes and platelets
Four products that are can be acquired from whole blood?
RBC, liquid plasma, cryoprecipitate and cryosupernate
T/F Settling of RBC in whole blood can happen without centrifugation.
True
Whole blood must be kept under what temperature? And for how long?
2-6C for 35 days.
T/F A patient can be transfused whole blood while actively bleeding.
True
Usual amount of RBC in whole blood
350mL
RBC transfusion is contraindicated in patients with
Anemia.
RBC is indicated for patients with
deficiency of oxygen-carrying capacity or tissue hypoxia
T/F RBC component of whole blood has platelets and WBCs.
True.
Temperature in which platelets are stored
22-24C
Contraindicated in platelet transfusion
Autoimmune thrombocytopenia or thrombocytopenic Purpura.
Blood component with the shortest shelf life
Platelets
Cold insoluble portion of plasma after Fresh Frozen Plasma (FFP) has been thawed
Cryoprecipitate
Cryoprecipitate contains the following:
Factors VIII, XIII, fibrinogen, fibronectin, ristocetin
The only difference of cryosupernate and cryoprecipitate
Presence of factor VIII in cryoprecipitate
Law promoting voluntary blood donation to provide sufficient supply of safe blood and to regulate blood banks.
R.A. 7719 also known as National Services Act of 1994
Mission of RA 7719 includes the following except
Blood safety, blood screening, blood adequacy, regulated blood use, efficiency of blood services,
Blood screening
A donor must at least have this amount of Hgb to be qualified to donate.
125 g/L
Second safest donor category
Volunteer donor
Safest donor category
Autologous donor
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
Graft-versus-host-disease
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
apharesis
Pertains to a time wherein virus is present in the body but still indicates a negative in blood test
Window period
Used by donors to defer the used of their blood
Confidential unit exclusion (CUE)
T/F A person will weight one kilogram less after donation
False. Half liter or half kilogram
T/F a 70 year old male cannot donate blood due to decreased blood supply
False. They can still donate as long as there is no underlying ill ess and blood pressure is normal.
T/F If a blood bag is open, blood expires in 6hours
False. 24 hours
Architect 1000 (TD analyzer Machine) can test all transmissible disease except for
Malaria
Refrigerator at -72 to -80 can store up blood for about how long?
5 years.
