Microorganisms That Typically Live on Human Sur¬faces,including the Interior Tubes

question 66

Multiple Choice

Microorganisms that typically live on human sur¬faces,including the interior tubes and cavities of the digestive and respiratory tracts,are called ____________.  

• A) normal flora
• B) acne
• C) biofilm
• D) commensal organisms
• E) parasitic organisms

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Definitions:

Baggage Checked

The process of handing over passenger luggage to an airline or transportation provider for transport in the cargo area of a plane or vehicle.

Standard Deviation

A measure that quantifies the amount of variation or dispersion of a set of data values from their mean.

Sampling Distribution

The probability distribution of a statistic based on a random sample.

Freshman Class

A group of students who are in their first year at a secondary or post-secondary educational institution.