If a Pathogen (External Antigen)is Destroyed Before Any Symptoms Develop,the

question 21

Multiple Choice

If a pathogen (external antigen) is destroyed before any symptoms develop,the person

• A)will never again be infected by that pathogen.
• B)is said to be immune.
• C)is said to have specificity.
• D)had no immunity response to the pathogen.
• E)Both is said to have specificity and will never again be infected by that pathogen are true.

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Definitions:

Sympathetic

Pertaining to the part of the autonomic nervous system that typically prepares the body for action by accelerating the heart rate, constricting blood vessels, and raising blood pressure.

Parasympathetic

Part of the autonomic nervous system responsible for conserving energy and restoring the body to a state of calm.

Parasympathetic

Part of the autonomic nervous system responsible for conserving energy and slowing down the heart rate.

Sympathetic

Relating to the part of the autonomic nervous system that prepares the body for action and stress, known as the fight or flight response.