How Do Staphylococci Spread So Easily When Infecting the Skin

question 2

Multiple Choice

How do staphylococci spread so easily when infecting the skin?

• A)They produce hyaluronidase, which hydrolyzes hyaluronic acid present in the intracellular ground substance that makes up connective tissue.
• B)They produce lipase, which melts the fat under the skin, making it easier to spread.
• C)The hemolysins kill the white and red blood cells; then the protease liquefies the skin protein, allowing easy penetration for the bacteria.
• D)All of the above.

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Definitions:

Confidence Interval

A range of values, derived from sample data, that is likely to include the true population parameter with a specified level of confidence.

Population Proportions

Population proportions represent the fraction of individuals in a population that belong to a specified category or exhibit a particular attribute.

Z-value

A measure of how many standard deviations an element is from the mean; often used in statistical analysis to determine significance levels.

Population Proportion

The fraction or percentage of a total population that exhibits a particular characteristic or attribute.