A Bacterium That Normally Colonizes the Skin Gains Access Through

question 15

Multiple Choice

A bacterium that normally colonizes the skin gains access through a laceration and causes infection.This type of infection is classified as:

• A)nosocomial.
• B)opportunistic.
• C)nonpathogenic.
• D)immunogenic.

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Definitions:

Concentration Gradient

The gradual change in the concentration of solutes in a solution as a function of distance through a solution.

Active Transport

Energy-requiring mechanism in which a transport protein pumps a solute across a cell membrane against the solute’s concentration gradient.

Transport Protein

Protein that moves specific ions or molecules across a cell membrane.

Solute

A dissolved substance.