One of the Problems with Measuring Metabolites from Blood or Urine

question 37

Multiple Choice

One of the problems with measuring metabolites from blood or urine is that

• A)the presence of a given metabolite tends to be overestimated.
• B)this type of measuring does not reflect levels of neurotransmitters in the brain.
• C)the presence of a given metabolite tends to be underestimated.
• D)blood and urine samples are not always easy to collect.

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Definitions:

Nominal Variable

A type of variable that represents categories with no intrinsic ordering or ranking among them, used for classification or grouping.

Variable

An element, feature, or factor that is liable to vary or change.

Arbitrary Numbers

Numbers chosen without any particular reason or pattern, often used in examples or theoretical discussions.

Interval Data

Data measured along a scale, in which each point is placed at a specific distance from a reference point, allowing for meaningful comparisons between data points.