A Creatinine Clearance for a 70 year old male has a value of 94 mL/min with a serum BUN value of 12 mg/dL and a creatinine value of 0.6 mg/dL.  What does this patient’s clearance and BUN/Crea ratio indicate?

Acute blood loss and congestive heart failure are situations in which the _____ will rise and are considered ____ type conditions.

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?

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.

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

What is the difference between a relay and a contactor?

What are common coil control voltages?

What is the common coil voltage for relays and contactors used in residential control applications?

Contacts used in an inductive motor load will have a(n) __________ and __________ rating.

What does AFL or RLA mean on a contactor or relay?