Suppose a Lab Measured Serum Osmolality on the Same Patient

question 4

Multiple Choice

Suppose a lab measured serum osmolality on the same patient sample by freezing-point and vapor-pressure methods, and the osmolality measurement by the freezing-point method was found to be greater than the osmolality measurement by the vapor-pressure method.Which of the following is the most likely explanation for this discrepancy?

• A)The difference in the two methods will always result in significantly different osmolalities.
• B)overhydration of the patient
• C)technologist error
• D)the presence of unexpected volatile solutes in the patient sample

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Definitions:

Alpha Waves

Brainwaves detected by an EEG that are associated with a state of wakeful relaxation, typically present when a person's eyes are closed but they are awake.

Delta Waves

Are the slowest type of brainwave, primarily associated with deep sleep and aid in healing and regeneration within the body.

Delta Waves

Delta waves are slow brain waves that occur in deep sleep and during brain activities that are associated with the unconscious mind.

REM Rebound

A phenomenon where there is an increase in the amount of REM sleep after being deprived of sleep, especially in the context of REM sleep deprivation.