Tuberculin Skin Testing

question 47

Multiple Choice

Tuberculin skin testing

• A)involves the injection of PPD intradermally.
• B)uses a purified protein filtrate of Mycobacterium tuberculosis.
• C)will be positive if person has had previous exposure.
• D)will be positive in active TB.
• E)All of the choices are correct.

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Definitions:

Population Standard Deviation

A measure of the dispersion or variability within a full population data set.

Raw Scores

The original, unmodified scores obtained in any assessment without adjustments or transformations.

Normally Distributed

Describes a probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean.

Normally Distributed

Describes a distribution of data that follows a bell-shaped curve, where most of the data points are close to the mean.