Why Is It Acceptable for a Fecal Sample to Be

question 44

Multiple Choice

Why is it acceptable for a fecal sample to be collected in a nonsterile container?

• A) Fecal samples can be runny and if the specimen leaks, this can present a biohazard.
• B) Many types of bacteria call the intestinal tract home; the specimen cannot become contaminated.
• C) Leakproof containers are always sterile, so the container will be leakproof, as well as sterile.
• D) Because DNA probes can determine resident flora from pathogenic bacteria.

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Definitions:

Sum of Differences

The total sum calculated by subtracting each value in a dataset from a specific value (often the mean), used in various statistical computations.

Null Hypothesis

A hypothesis in statistics that proposes no significant difference or effect, serving as the default or starting assumption in hypothesis testing.

Dependent Samples

Pairs of samples where the members are matched or related, often used in experiments to compare two conditions or treatments.

Pretest and Posttest

Assessments administered before and after an intervention or experiment to measure the impact of the intervention.