BLOOD PRESERVATIVES/ADDITIVES / REJUVENATION II/ FREEZING Flashcards

1
Q

what are the components of rejuvination

a. phosphate
b. inosine
c. pyruvate
d. glucose

A
`components of rejuvination (PIGPA/ PIPA)
P= phosphate
i- inosine
g- gucose
p- pyruvate
a- adenine

components of additives
(SAGM)
saline, adenine, glucose, mannitol

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

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

A

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 well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

HOW MANY IRON DOES 1 UNIT OF RBC HAVE

a. 220 mg
b. 200mg
c. 1.34mg
d. 250 mg

A

approximately 220 - 250mg of iron are contained in one rbc unit

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

what is the shelf life for frozen RBC

a. 5 years
b. 10 years
c. 20years
d. 1 year

A

Frozen RBC Shelf life: 10 years (longest shelf life)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

what is commonly used freezing agent

a. rejuvesol
b. adenine
c. glucerol
d. glucose

A

freezing agent- Glycerol

rejuvinating agent - rejuvesol

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

what is type of freezer to used in high glycerol

a. mechanical
b. liquid nitrogen

A

high glycerol
- mechanical

low glycerol
- liquid nitrogen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

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

A

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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

what is the shelf life for deglycerolization

a. 42 hours
b. 24 hours
c. 6 hours
d. 32 days

A

Shelf-Life /Expiration date: 24HOURS stored at 1 to 6 ‘C

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Deglycerolized blood product should ensure_____ RBC MASS RECOVERY

a. 85%
b. 80%
c. 75%
d. 905

A

Deglycerolized blood product should ensure 80% RBC MASS RECOVERY

leukoreduced
- 85%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

synthetic hydrocarbon structures in which all hydrogen atoms have been replaced with fluorine

a. HBOCs
b. perfluorocarbons
c. nota
d. aota

A

Perfluorocarbons are synthetic hydrocarbon structures in which all hydrogen atoms have been replaced with fluorine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

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

A

Platelets are stored at 20°C to 24°C with maintaining continuous gentle agitation throughout the storage period of 5 days.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly