Which Is True Regarding the Physiological Variables That Are Measured

question 15

Multiple Choice

Which is true regarding the physiological variables that are measured and reported on in clinical laboratory tests?

• A)Physiological variables vary within a range that is predefined as "normal," and even when a measurement is slightly outside the normal range it may not indicate the presence of disease.
• B)When a physiological variable is measured and the number is different from the number that is the "normal" value,the patient is considered to be diseased.
• C)Physiological variables vary with a range that is predefined as "normal," but disease is only considered to exist when a measurement comes back that is above the normal range.
• D)Physiological variables vary with a range that is predefined as "normal," but disease is only considered to exist when a measurement comes back that is below the normal range.
• E)When three or more physiological variables are measured and the numbers are different from the number that is the "normal" value,the patient is considered to be diseased.

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