Clinical Chemistry- Ch 33-36 Flashcards
Whole blood is composed of ______ and ______
Fluid and cells
The fluid component of blood is comprised of _______
Plasma
The cellular component of blood is comprised of _______
RBC
WBC
Platelets
Serum is plasma from which ______ has been removed
Plasma
During clotting process solube fibrinogen in plasma is converted to an ________ fibrinogen
Insoluble
What must be used to run chemical assays?
Anticoagulated blood
Serum
What is the preferred anticoagulant for chemistry tests?
Heparin
Heparin should be used at ___ units/ml of blood collected
20 units/ml
May cause falsely increased inorganic phosphate levels in blood
Heparin
May interfere with lactate dehydrogenase activity
Heparin
Should not be used if plasma samples are needed for chemistries
EDTA