Protozoans Use All the Following Mechanisms to Avoid the Host

question 23

Multiple Choice

Protozoans use all the following mechanisms to avoid the host immune system EXCEPT

• A) antigenic variation.
• B) toxin production.
• C) antigenic masking.
• D) intracellular location.

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Definitions:

Mood Disorders

A spectrum of psychological conditions characterized by the elevation or lowering of a person's mood, such as depression or bipolar disorder.

Emotional State

The internal condition of a person that involves feelings, moods, and attitudes, which can affect behavior and perception.

Somatoform

A category of mental disorders characterized by physical symptoms that cannot be fully explained by any underlying medical condition.

Bipolar Disorder

A psychiatric condition that is identified by significant mood changes, from highly elevated moods (mania or hypomania) to periods of deep depression.