Which method of analysis will provide the most accurate electrolyte results if a grossly lipemic sample is used?

1,25(OH)2D, also known as 1,25-dihydroxy vitamin D, is the best blood test for determining adequacy of Vitamin D stores in the body.

Upon receipt of a test request for assay of human chorionic gonadotropin (hCG) on a 60-year-old male, you would:

An 80-year-old patient visits his physician with an elevated serum iron value and a decreased TIBC. The most likely diagnosis in this case is:

Hyperproteinemia is caused by:

Immobilized enzymes are used analytically in various electrochemical techniques. The use of an ion-selective electrode that is coated with an enzyme that produces ions when placed in a substrate solution is a type of:

The kidneys compensate for respiratory alkalosis by (excretion, retention) of bicarbonate and (increased, decreased) excretion of NaH2PO4.

Regarding internal quality control (QC) for a bench top analyzer:

Increased enzyme activity is typically observed in serum or plasma:

The chromogen for the fecal occult blood test is