CH15-Autonomic Nervous System STUDY GUIDE .docx - CH15...

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CH15: Autonomic Nervous System STUDY GUIDE Slide # What to know: 1. Know the statement in the blue box 2. What do the motor neurons of the ANS innervate? Why does it make adjustments? Does it operate under conscious control? Know where the ANS is located in the nervous system flow chart 3. What are the two arms? What are their general functions? What is dual innervation? And opposite effects? 4. What is the role of the parasympathetic division? What does it direct? Know: rest and digest. 5. What is the role of the sympathetic division? What does it mobilize, and when? Know: fight or flight 6. Know: Somatic nervous system : all somatic motor neurons release acetylcholine (ACh) and the effect is always stimulatory. ANS : Preganglionic fibers release ACh, Postganglionic fibers release norepinephrine or ACh at effectors. Effect is either stimulatory or inhibitory, depending on type of receptors 7. Compare: the sites of origin, relative length of fibers, and location of ganglia
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