What types of samples are used for clim chem?
How soon should a sample be used after being collected and what should be done with the sample if it cannot be used w/in that time?
Used w/in the hour or frozen
How long should plasma and serum be centrifuged and at what rpm?
10 min @ 2000 - 3000 rpm
What specific component is serum lacking that plasma contains?
What can cause hemolysis?
Forcing through needle
Freezing whole blood
Too much pressure on the syringe
What causes lipemia?
What does lipemia interfer with?
What are 3 different analyzer types and which one is least affected by lipemia?
Dry chemistry (least affected)
Who requires maintenance logs for QC?
OSHA & AAHA
When is a simple dilution performed?
When a serum chemistry is too high to read on the machine
What enzymes are released from damaged hepatocytes?
Alanine aminotransferase (ALT)
Aspartate aminotransferase (AST)
Sorbitol dehydrogenase (SDH)
Glutamate dehydrogenase (GLDH)
What enzymes are associated with cholestasis?
Alkaline phosphatase (ALP)
Gamma glutamyltranspeptidase (GGT)
Procedures, components of clin chem