This analyte may be used to assess kidney function and is a protein found on the surface of nucleated cells, which is shed at a constant rate.

An eight year old arrived in the ER with disorientation and hallucinations following several days of high fever. The caregiver present indicated that the child had been given aspirin over the last four days in an attempt to bring the fever down. Which test would be best to evaluate the mental confusion the child is experiencing?

The majority of non protein nitrogenous compounds in the blood is based on the concentration of this:

A stat SST tube for ammonia was sent to the laboratory at 3 a.m. and placed in the refrigerator. At 9 a.m. the sample was assayed for ammonia.  How will the assay value be affected?

A patient will be considered a candidate for renal dialysis based on:

To determine benign prostate hypertrophy vs prostate cancer, which elements would be most useful?

Which set of values would be expected in a patient experiencing dehydration? 

What is the resistance across a closed set of contacts?

How is a motor starter different from a contactor?

Contacts have which of the following?