Two Types of Specimens Can Use Preservatives to Maintain Them

question 32

Multiple Choice

Two types of specimens can use preservatives to maintain them until they can be delivered to the laboratory.They are:

• A)urine and stool.
• B)urine and vaginal secretions.
• C)stool and throat cultures.
• D)pus from a wound and vaginal secretions.

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Definitions:

Degrees of Freedom

The number of independent values or quantities that can vary in an analysis without violating any constraints.

Mean

The arithmetic average of a set of values, calculated by summing up all the values and then dividing by the number of values.

F Distribution

A probability distribution that arises in the analysis of variances for comparing sample variances or testing the hypothesis of equal variances, used primarily in ANOVA.

Degrees of Freedom

The number of independent values or quantities which can be assigned to a statistical distribution or equation, typically affecting the shape of the distribution.