The Minimum Number of Microbes Required for Infection to Proceed

question 37

Multiple Choice

The minimum number of microbes required for infection to proceed is termed a/an ______.

• A) virulence factor
• B) indigenous biota
• C) infectious dose
• D) endotoxin
• E) minimal dose

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Definitions:

Prediction Interval

A range of values within which a future observation is expected to fall, with a certain probability.

Confidence Interval

A spread of values obtained from statistical scrutiny of samples, presumed to potentially contain the value of an undetermined population parameter.

Confidence Interval Estimate

An interval of values calculated from a sample that is expected to include the value of an unseen population parameter, with a certain degree of confidence.

Prediction Interval

An estimate of an interval in which future observations will fall, with a certain probability, given what has already been observed.