Critical Thinking Activities

	Human Physiology 6/e Fox
	Student Online Learning Center

Chapter 9: The Autonomic Nervous System

If a person has been nerve gassed (i.e. exposed to one of the anticholinesterases), one symptom of the condition may be pin-point pupils. Please explain.
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Angry people can often be seen to have very dilated pupils. Why?
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The tobacco plant produces nicotine, several giant toadstools produce muscarine, and certain nerve gases (originally produced to kill people) are used as insecticides: what do all of these facts tell us about an insects neurons?
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You were in an accident and experienced thoracic trauma, you then recovered but still had a "runaway heart" (i.e. tachycardia). If the cause of the tachycardia is due to a nerve being severed, which type of nerve would it be?
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