The first step in analyzing a 24-hour urine specimen for quantitative urine protein is

The cell membrane consists of ______. 

Macrophages ingest and digest many pathogens. Which organelle plays a major role in the activity of macrophages?

 When quantitating serum protein using the reaction, the biuret reagent is reacting with    

The type of signaling in which a cell secretes a chemical messenger/ligand that binds to receptors on that same cell, leading to changes is known as signaling.

Hepatitis B vaccine is 

The turbid appearance of lipemic serum is due to an elevated level of _____.    

Which of the following tests would most likely be included in a routine lipid profile? 

The creatinine clearance test is routinely used to assess the glomerular filtration rate. Given the following information for an average size adult , calculate a creatinine clearance  Urine creatinine – 129 mg/dL Plasma creatinine – 1.2 mg/dL  Urine volume for 24 hours – 1520 ml   

Which of the following is the formula for calculating the unknown concentration based on Beer’s law? (A = absorbance, C = concentration)