M6. Order of Draw Flashcards
1
Q
- blood thinners
- prevent blood clots
- EDTA, citrates, heparin, oxalates
Two methods:
A
Anticoagulants
- precipitation of Calcium
- preventing thrombin formation
2
Q
include:
- acid citrate dextrose
- citrate phosphate dextrose
- sodium polyanethol
A
Special-use anticoagulants
3
Q
- prevent the breakdown of glucose by blood cells or glycolysis.
- most common is sodium fluoride
- preserves glucose
- prevents growth of bacteria
- is usually used with potassium oxalate for rapid response
A
Antiglycolytic agents
sodium fluoride
4
Q
- prevent the breakdown of glucose by blood cells or glycolysis.
- most common is sodium fluoride
- preserves glucose
- prevents of growth of bacteria
- is usually used with potassium oxalate for rapid response
A
Antiglycolytic agents
sodium fluoride
5
Q
enhance coagulation
Two types of activators:
A
Clot activators
- clotting factors
- substances that provide more surface for platelet activation: glass (silica) particles & inert clays (celite)
6
Q
- inhibits cells from metabolizing substances
- moves between cell & serum/plasma when centrifuged
A
Thixotropic gel separator
7
Q
- free of trace element contamination
- royal-blue stoppers
- trace elements of toxicologty studies, and nutrient determination
A
Trace element-free tubes
