Which of the following is considered to be an abnormal crystal found in urine while all others can be found in acidic or alkaline normal urine.

Absorbance (A) of a solution may be converted to percent trasnmittance (%T) using the formula:

Precision is the quality control term used to describe the reproducibility of a test result.

A urine specimen comes to the laboratory 7 hours after it was obtained. It is only acceptable for culture if it had been stored:

The following laboratory results were obtained from an ABG (arterial blood gas):Sodium  = 136 mEq/LpH  = 7.32  Potassium  = 4.4 mEq/LpCO2     79 mm/HgChloride   = 92 mEq/LBicarbonate: 40 mEq/L

A 30 year old man has a painful right knee and slightly enlarged spleen. Heme results shows that there were giant and bizarre shaped platelets, an increased platelet count, slight increase in bands,  and a low uncorrected retic count. What could the cause be?

Which of the following biochemical processes is promoted by insulin, which is released by beta islet cells in the pancreas?

Blood collected about an hour after a patient has eat a heavy meal often has an elevated level of chylomicrons and the sample itself is:

Which of the following can differntiate metamyelocytes from other stages of granulocyte maturation?

Cells that produce antibodies (B cells), are called what?