BLOOD PRESERVATIVES/ADDITIVES / REJUVENATION II/ FREEZING Flashcards
what are the components of rejuvination
a. phosphate
b. inosine
c. pyruvate
d. glucose
`components of rejuvination (PIGPA/ PIPA) P= phosphate i- inosine g- gucose p- pyruvate a- adenine
components of additives
(SAGM)
saline, adenine, glucose, mannitol
Currently, rejuvenated RBCs must be washed before infusion to remove the ___________ and transfused within 24 hours or frozen for long-term storage
a. phosphate
b. inosine
c. pyruvate
d. glucose
Currently, rejuvenated RBCs must be washed before infusion to remove the INOSINE (which may be toxic) and transfused within 24 hours or frozen for long-term storage
HOW MANY IRON DOES 1 UNIT OF RBC HAVE
a. 220 mg
b. 200mg
c. 1.34mg
d. 250 mg
approximately 220 - 250mg of iron are contained in one rbc unit
what is the shelf life for frozen RBC
a. 5 years
b. 10 years
c. 20years
d. 1 year
Frozen RBC Shelf life: 10 years (longest shelf life)
what is commonly used freezing agent
a. rejuvesol
b. adenine
c. glucerol
d. glucose
freezing agent- Glycerol
rejuvinating agent - rejuvesol
what is type of freezer to used in high glycerol
a. mechanical
b. liquid nitrogen
high glycerol
- mechanical
low glycerol
- liquid nitrogen
The thawing process takes approximately_____________ and involves immersing units into a 30° to 37°C water bath and washing the RBCs with solutions of decreasing osmolarity
a. 45 minutes
b. 20 minutes
c. 60 minutes
d. 30 minutes
The thawing process takes approximately 45 minutes and involves immersing units into a 30° to 37°C water bath and washing the RBCs with solutions of decreasing osmolarity
what is the shelf life for deglycerolization
a. 42 hours
b. 24 hours
c. 6 hours
d. 32 days
Shelf-Life /Expiration date: 24HOURS stored at 1 to 6 ‘C
Deglycerolized blood product should ensure_____ RBC MASS RECOVERY
a. 85%
b. 80%
c. 75%
d. 905
Deglycerolized blood product should ensure 80% RBC MASS RECOVERY
leukoreduced
- 85%
synthetic hydrocarbon structures in which all hydrogen atoms have been replaced with fluorine
a. HBOCs
b. perfluorocarbons
c. nota
d. aota
Perfluorocarbons are synthetic hydrocarbon structures in which all hydrogen atoms have been replaced with fluorine
what is the storage for platelets
a. 37 degree celsius
b. 2-6 degree celsius
c. -2 to -6 degree celsius
d. 20 - 24degree celsius
Platelets are stored at 20°C to 24°C with maintaining continuous gentle agitation throughout the storage period of 5 days.