Which of the Following Physiological Variables Is Influenced by BOTH

question 7

Multiple Choice

Which of the following physiological variables is influenced by BOTH sympathetic and parasympathetic nervous system activation?

• A) Cardiac interbeat interval
• B) Cardiac pre-ejection period
• C) Skin conductance
• D) None of the above are influenced by both sympathetic and parasympathetic activation.

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Definitions:

Sympathetic Nervous System

Part of the autonomic nervous system that prepares the body for rapid responses to stressors, activating the fight-or-flight response.

Somatic

Relating to or affecting the body, especially as distinct from the mind.

Parasympathetic

The part of the autonomic nervous system that conserves energy by slowing the heart rate and increasing digestive activities.

Gonads

Sex glands; secrete hormones that regulate sexual development and behavior as well as reproduction.