Human Physiology
15th Edition
ISBN: 9781259864629
Author: Fox, Stuart Ira
Publisher: Mcgraw-hill Education,
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Chapter 9, Problem 3RA
Summary Introduction
To determine:
The neurotransmitter of preganglionic sympathetic fibers.
Introduction:
Endogenously produced chemicals in the body that are capable of neurotransmission are referred to as neurotransmitters. Neurotransmitters are able to transmit signal over the chemical synapse, such as neuromuscular junction. Preganglionic sympathetic fibers transmit the information from the autonomic ganglion to the effector organ.
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Students have asked these similar questions
Which of the following releases norepinephrine as a neurotransmitter?
a. preganglionic sympathetic neurons
b. preganglionic parasympathetic neurons
c. postganglionic sympathetic neurons
d. postganglionic parasympathetic neurons
Sympathetic splanchnic nerves are composed of
A. preganglionic sympathetic axons that synapse in a sympathetic trunk ganglion.
B. preganglionic sympathetic axons that did not synapse in a sympathetic trunk ganglion.
C. postganglionic sympathetic axons that synapse in a sympathetic trunk ganglion.
D. postganglionic sympathetic axons that did not synapse in a sympathetic trunk ganglion.
E. None of the choices is correct.
The fibers of the sympathetic
division may release Ach at the:
Select one:
a. Synapse with the cardiac
muscle
b. Synapse with the
postganglionic neuron
c. Neuromuscular junction
d. Synapse with the adrenal
cortex
Chapter 9 Solutions
Human Physiology
Ch. 9 - Describe the preganglionic and postganglionic...Ch. 9 - Compare the control of cardiac muscle and smooth...Ch. 9 - Describe the sympathetic pathway from the CNS to...Ch. 9 - Prob. 4CPCh. 9 - Prob. 5CPCh. 9 - Prob. 6CPCh. 9 - Prob. 7CPCh. 9 - Prob. 8CPCh. 9 - Explain how the effects of the sympathetic and...Ch. 9 - Prob. 1RA
Ch. 9 - Prob. 2RACh. 9 - Prob. 3RACh. 9 - Prob. 4RACh. 9 - Which of these fibers release norepinephrine? a....Ch. 9 - Prob. 6RACh. 9 - Prob. 7RACh. 9 - Prob. 8RACh. 9 - Prob. 9RACh. 9 - Prob. 10RACh. 9 - Prob. 11RACh. 9 - A drug that serves as an agonist for ai receptors...Ch. 9 - Prob. 13RACh. 9 - Prob. 14RACh. 9 - Compare the effects of adrenergic and cholinergic...Ch. 9 - Prob. 16RACh. 9 - Prob. 17RACh. 9 - Prob. 18RACh. 9 - Prob. 19RACh. 9 - Prob. 20RACh. 9 - Prob. 21RACh. 9 - Prob. 22RACh. 9 - Prob. 23RACh. 9 - Prob. 24RACh. 9 - Prob. 25RACh. 9 - Prob. 26RACh. 9 - Prob. 27RACh. 9 - Prob. 28RACh. 9 - Prob. 29RACh. 9 - Prob. 30RACh. 9 - Refer to table 7.3 to obtain axon diameters and...
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- Where do preganglionic fibers come from for the parasympathetic division of the autonomic nervous system? A. sacral and coccyx region of the spinal cord B. brain stem and cervical region of the spinal cordC. brain stem and sacral part of the spinal cord D. thoracic and lumbar regions of the spinal cordarrow_forwardWhat is another name for the preganglionic sympathetic fibers that project to the heart?a. solitary tractb. vasomotor nervec. vagus nerved. cardiac accelerator nervearrow_forwardThe neurotransmitter system that is MOST important for basal ganglia function is the: a.mesolimbic dopamine system. b.acetylcholine system. c. norepinephrine system. d.nigrostriatal dopamine system.arrow_forward
- A fight-or-flight response in the body is controlled by thea. sympathetic division of the nervous system.b. parasympathetic division of the nervous system.c. release of acetylcholine from postganglionic neurons.d. somatic nervous system.arrow_forwardThe postganglionic fibers of the sympathetic nervous system are: a. short, adrenergic, type B b. short, cholernergic, type B c. long, adrenergic, type A d. long, cholernergic, type A e. none of the abovearrow_forwardThe autonomic nervous system is part of the a. central nervous system. b. peripheral nervous system. c. sympathetic nervous system. d. parasympathetic nervous system.arrow_forward
- What are the nerve roots for the autonomic nervous system? a. Sympathetic = T2-T10; Parasympathetic = S2-4 b. Sympathetic = C1-C5; Parasympathetic = T2-T10 c. Sympathetic = T1-L2, Parasympathetic = CN3, 7, 9, 10 & S2-4 d. Sympathetic = CN3,7,9,10; Parasympathetic = T2-10arrow_forwardWhich of the following is not a result of sympathetic nerve stimulation? A. Release of epinephrine B. Increased heart rate C. Negative chronotropic effect D. increased action potential firingarrow_forwardWhich of the following statements concerning the preganglionic neuronsof the ANS is true?a. All parasympathetic preganglionic neurons secrete acetylcholine.b. Only parasympathetic preganglionic neurons secrete acetylcholine.c. All sympathetic preganglionic neurons secrete norepinephrine.d. Only sympathetic preganglionic neurons secrete norepinephrine.arrow_forward
- Preparing the body for the "fight-or-flight" response is the role of the a.parasympathetic division b.somatic nervous system c.cerebrum d.sympathetic divisionarrow_forwardWhich of the following is correct about the sympathetic division of the autonomic nervous system? Select one: O A. sympathetic nerves exit the central nervous stem at the base of the brain and the sacral region of the spinal cord O B. the neurotransmitter released by postganglionic neurons is acetylcholine O C. the neurotransmitter released by postganglionic neurons is norepinephrine O D. sympathetic nerves form synapses in ganglia near or within an internal organ O E. sympathetic nerves typically exit the central nervous system and form ganglia located just outside the brainarrow_forwardThe cell bodies of the postganglionic neurons of the sympathetic division are located in thea. sympathetic chain ganglia. d. dorsal root ganglia.b. collateral ganglia. e. Both a and b are correct.c. terminal gangliaarrow_forward
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