Human Physiology
15th Edition
ISBN: 9781259864629
Author: Fox, Stuart Ira
Publisher: Mcgraw-hill Education,
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Textbook Question
Chapter 9, Problem 5RA
Which of these fibers release norepinephrine?
a. Preganglionic parasympathetic fibers
b. Postganglionic parasympathetic fibers
c. Postganglionic sympathetic fibers in the heart
d. Postganglionic sympathetic fibers in sweat glands
e. All of these
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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.
Sympathetic stimulation to lung tissue
A. Causes activation of beta2 receptors which contract smooth muscles of airways.
B. Causes activation of beta1 receptors which relax smooth muscles of airways
C. Causes activation of beta2 receptors which relax smooth muscles of airways.
D. Causes activation of beta1 receptors which contract smooth muscles of airways
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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- 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 cortexarrow_forwardWhich of these may be produced by the action of nitric oxide? a. Dilation of blood vessels b. Erection of the penis c. Relaxation of smooth muscles in the digestive tract d. Long-term potentiation (LTP) among neighboring synapses in the brain e.All of thesearrow_forwardMost preganglionic fibers in the sympathetic nervous system synapse with Select one: a. maximum 5 postganglionic neurons b. somatic neurons C. parasympathetic neurons d. at least 20 postganglionic neuronsarrow_forward
- The 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_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_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_forward
- Increased sympathetic activity A. dilation of blood vessels in skin and viscera B. Constriction of blood vessels in skin and visceraarrow_forwardGive the effects of acetylcholine on the following : A. gastrointestinal motility & secretory activity. B. smooth muscles in the uterus, ureters, bladder , bronchioles . C. constrictor muscles of the iris. D. salivary, sweat & lacrimal glands. E. Heartarrow_forwardNOTE THESE ARE ALL ONE QUESTION GROUP and need to be answered as such Identify the term that does NOT belong in the group. A. Parasympathetic tone B. Urinary tract C. Rapid heart rate D. Digestive tract Approximately 75% of all parasympathetic axons are located in the _______________. A. vagus nerve (X) B. oculomotor nerve (III) C. facial nerve (VII) D. glossopharyngeal nerve (IX) Which of these functions is NOT affected by parasympathetic stimulation? A. Secretion of insulin from the pancreas B. Secretion of thin, watery saliva C. Secretion of tears D. Secretion of sweat The parasympathetic division ________________________. A. is responsible for the fight-or-flight response B. mediates many reflexes that regulate the digestive, urinary, and reproductive systems C. causes an increase in metabolism D. decreases blood flow to the skinarrow_forward
- The 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_forwardWhat 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 associated with sympathetic stimulation? a. arteriolar dilation in skeletal muscle b. flight or fight c. preparation for energy expenditure d. diffuse effects e. small intestine absorption of nutrients.arrow_forward
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