The Microorganisms That Make Up the Normal Human Flora Are

question 11

Multiple Choice

The microorganisms that make up the normal human flora are important for:

• A) regulating inflammation.
• B) secreting bacteriostatic substances.
• C) activating white blood cells.
• D) preventing the attachment and multiplication of pathogens.

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Definitions:

Significance Level

In statistical hypothesis testing, it is the probability of rejecting the null hypothesis when it is true, often denoted by alpha (α).

Sample SD

Standard deviation of a sample, a measure of the spread or dispersion of a set of data points within that sample.

Null Hypothesis

A hypothesis in statistical analysis that assumes no significant difference or association, typically set as the default to test against an alternative hypothesis.

Type I Error

A statistical error that occurs when a true null hypothesis is incorrectly rejected.