Each of the Following Is a Physical Barrier to Infection

question 146

Multiple Choice

Each of the following is a physical barrier to infection except

• A) body hair.
• B) epithelium.
• C) secretions.
• D) complement.
• E) basement membranes.

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Definitions:

Continuous Data

Data with incremental values between the minimum and maximum. For example, age can have values of years, months, weeks, days, hours, minutes, or seconds.

Frequencies

The counts or occurrences of specific events or characteristics in a set of data.

Central Tendency

A statistical measure that identifies a single value as representative of the middle of a dataset, commonly by using the mean, median, or mode.

Variance

A measure of the distribution of data points in a data set around the mean, indicating how spread out the data points are.