Peripheral Nervous System Review Sheet
1.
Compare the following in structure and function:
a. Central Nervous System and Peripheral Nervous System
b. Sensory Nervous system and Motor Nervous System
c. Somatic Nervous System and Autonomic Nervous system
d. Sympathetic Nervous System and Parasympathetic Nervous system
2. Briefly explain why the following terms are sometimes used to refer to the autonomic nervous system –
Involuntary NS and Emotional/visceral NS
3. Indicate the results of sympathetic activation of the following structures: Sweat glands, eye pupils,
adrenal medulla, heart, lungs, liver, blood vessels of vigorously working skeletal muscles, blood vessels of
digestive system and salivary glands.
4. Which of the effects listed in your answer to number 3 would be reversed by the parasympathetic
activity?
5. Which Autonomic Nervous System fibers release acetylcholine? Which release norepinephrine?
6. As the aroma of freshly brewed coffee drifted by dozing Henry’s nose, his mouth started to water and his
stomach began to rumble. Explain his reactions in terms of Autonomic Nervous system activity.
7. Name the 4 primary taste qualities and indicate the regions of the tongue that are most sensitive to each
quality.
8. Where are the olfactory receptors and why is that site poorly suited for their job?
9. Each olfactory cell responds to a single odorant molecule- true or false? Explain your choice
10. Explain how you taste.
11. Explain how you smell.