________ Exists When the Immune System Does Not Respond to Normal

question 81

Multiple Choice

________ exists when the immune system does not respond to normal tissues and their antigens.

• A) Versatility
• B) Tolerance
• C) Memory
• D) Specificity
• E) Active immunity

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Definitions:

T Distribution

A statistical curve that shows the standard deviations of samples taken from a population and is used when the population standard deviation is unknown and the sample size is small.

Standard Normal Distribution

A normal distribution with a mean of zero and a standard deviation of one.

Population Mean

The sum of the values in the population divided by the number of values in the population.

Degrees Of Freedom

The count of the number of values in a calculation that are free to vary without infringing on the given data.