9. Answer the following questions concerning the receptors of neurotransmitters in the ANS. (a) What two receptors receive ACh? (b) Where are each of those two receptors found? (c) What two receptors receive NE? (d) What do you consider the major difference between the two NE receptors? (e) Would you guess that a preganglionic neuron (sympathetic or parasympathetic) has receptors for neurotransmitters? Explain.
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Step 1: The two receptors that receive ACh are the muscarinic receptor and the nicotinic receptor. Show more…
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QUESTION 5 Match the statement with the best choice of neurons or cells. - These sympathetic nervous system neurons tend to use norepinephrine as their neurotransmitter. - These parasympathetic nervous system neurons tend to use acetylcholine as their neurotransmitter. - These sympathetic nervous system neurons all use acetylcholine as their neurotransmitter. - These parasympathetic neurons all use acetylcholine as their neurotransmitter. - Only a small portion of these sympathetic nervous system neurons use acetylcholine as their neurotransmitter. - These cells have nicotinic acetylcholine receptors on them. - These cells have muscarinic acetylcholine receptors on them. - These neurons tend to release neurotransmitters at varicosities (causing a wider spread). A. preganglionic neurons only B. (post)ganglionic neurons only C. both preganglionic and (post)ganglionic neurons D. effector cells E. none
Choose the correct statement: a. Neurotransmitters diffuse across the myelin sheath. b. An inhibitory neurotransmitter makes it less likely that an action potential will be generated in the presynaptic (before the synapse) neuron. c. Neurotransmitters are stored in synaptic vesicles. d. Most interneurons are found in the peripheral nervous system.
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