The Immune System

question 52

Multiple Choice

The immune system

• A)Must recognize the identity of a foreign cell or substance in order to inactivate it
• B)Must recognize a foreign cell or substance as foreign in order to inactivate it
• C)Can recognize and destroy "self" cells that have been changed or damaged
• D)Both must recognize the identity of a foreign cell or substance in order to inactivate it and can recognize and destroy "self" cells that have been changed or damaged are correct
• E)Both must recognize a foreign cell or substance as foreign in order to inactivate it and can recognize and destroy "self" cells that have been changed or damaged are correct

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Definitions:

Probability Distribution

A mathematical description of a random phenomenon in terms of the probabilities of events.

Finite Population Correction

A factor applied in sampling to adjust estimates when the sample is a significant portion of the population, improving accuracy.

Standard Error

A statistical measure that quantifies the variability or dispersion of a sample mean around the population mean.

Population Size

The total number of individuals or items in the group that is being studied in a statistical analysis.