BIOLOGICAL BASES OF BEHAVIOR
THE NERVOUS AND ENDOCRINE SYSTEMS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Jerry was out for a walk when he was approached by a thief who demanded his wallet. Immediately his pupils dilated, he began to perspire, and his heart accelerated. These changes were activated by his
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sympathetic nervous system
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parasympathetic nervous system
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somatic nervous system
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peripheral nervous system
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Explanation:
Detailed explanation-1: -The autonomic nervous system controls internal body processes such as the following: Blood pressure. Heart and breathing rates.
Detailed explanation-2: -The ANS can be subdivided into sympathetic and parasympathetic nervous systems. It is the sympathetic branch of the ANS that is responsible for the “fright, flight, or fight” response elicited by the encounter with the bear.
Detailed explanation-3: -Answer and Explanation: Parasympathetic stimulation is responsible for pupil constriction in bright light. If there is plenty of light available, the parasympathetic nervous system (PNS) will cause constriction of the pupil to restrict the amount of light entering the eye.
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