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
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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.
Which of the following matches between neurotransmitter and site(s) of action is correct? a. Acetylcholine: Neuromuscular junctions in PNS b. Norepinephrine. Mostly acts on CNS and PNS as well as on effectors such as muscle c. Serotonin: Many CNS pathways, including those involved in vital brain functions such as memory and learning d. Endorphins: CNS interneurons in a number of pathways, in cluding those regulating appetite, reproductive behavior, muscular movement, sleep, and emotional states such as anxiety e. Nitrous oxide: Released by special, unmyelinated sensory neurons in spinal cord
Which of the following matches between neurotransmitter and site(s) of action is correct? a. acetylcholine: neuromuscular junctions in PNS b. norepinephrine: mostly acts on CNS and PNS, as well as on effectors such as muscle c. serotonin: many CNS pathways, including those involved in vital brain functions such as memory and learning d. endorphins: CNS interneurons in a number of pathways, including those regulating appetite, reproductive behavior, muscular movement, sleep, and emotional states such as anxiety e. nitrous oxide: released by special, unmyelinated sensory neurons in spinal cord.
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