Human Physiology: An Integrated Approach (8th Edition)
8th Edition
ISBN: 9780134605197
Author: Dee Unglaub Silverthorn
Publisher: PEARSON
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Chapter 21.3, Problem 10CC
Summary Introduction
To determine: The type of control which includes parasympathetic excitation and sympathetic inhibition of GI function.
Introduction: Gastrointestinal tract (GI) is a series of organs joined together. It starts at the mouth and ends at the anus. These organs together form the
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Which is true?
Nerves to the skeletal muscle are derived from
A. Somatic division of nervous system
B. Autonomic Nervous System
C. Sympathetic division of ANSD. Afferent division of ANSE. All of these are correct.
In general, parasympathetic activation will produce effects that are _ to those produced by activation of sympathetic neurons.
a. similar
b. antagonistic
c. complimentary
d. identical
Give the location of the sympathetic preganglionic neuron cell bodies.
Chapter 21 Solutions
Human Physiology: An Integrated Approach (8th Edition)
Ch. 21.1 - Prob. 1CCCh. 21.1 - Prob. 2CCCh. 21.1 - Prob. 3CCCh. 21.2 - Define digestion. What is the difference between...Ch. 21.2 - Prob. 5CCCh. 21.2 - Draw a cell showing (1) an enzyme in a cytoplasmic...Ch. 21.2 - Prob. 7CCCh. 21.2 - Prob. 8CCCh. 21.2 - Prob. 9CCCh. 21.3 - Prob. 10CC
Ch. 21.4 - Prob. 11CCCh. 21.6 - Do bile salts digest triglycerides into...Ch. 21.6 - Prob. 13CCCh. 21.6 - Prob. 14CCCh. 21.6 - What activates pepsinogen, trypsinogen, and...Ch. 21.6 - Prob. 16CCCh. 21 - Match each of the following descriptions with the...Ch. 21 - Prob. 2RQCh. 21 - Prob. 3RQCh. 21 - Prob. 4RQCh. 21 - Prob. 5RQCh. 21 - Prob. 6RQCh. 21 - What purposes does motility serve in the...Ch. 21 - Prob. 8RQCh. 21 - Match each of the following cells with the...Ch. 21 - Prob. 10RQCh. 21 - Prob. 11RQCh. 21 - Prob. 12RQCh. 21 - Prob. 13RQCh. 21 - What role do paracrines play in digestion? Give...Ch. 21 - Prob. 15RQCh. 21 - Prob. 16RQCh. 21 - Prob. 17RQCh. 21 - Prob. 18RQCh. 21 - Prob. 19RQCh. 21 - Prob. 20RQCh. 21 - Prob. 21RQCh. 21 - Prob. 22RQCh. 21 - Mary Littlefeather arrives in her physicians...Ch. 21 - Using what you have learned about epithelial...Ch. 21 - Intestinal transport of the amino acid analog MIT...
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- Parasympathetic activation can result in all of the following EXCEPT __________.A.constriction of the pupils and bronchiB.decreased blood pressureC.decreased function of the gastrointestinal tractD.decreased heart ratearrow_forwardExplain how vascular resistance and blood flow are regulated by (a) sympathetic adrenergic fibers, (b) sympathetic cholinergic fibers, and (c) parasympathetic fibers.arrow_forwardDescribe the differences in both structure & function between the sympathetic & parasympathetic nervesarrow_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_forwardDiscuss the difference between pre and postganglionic neurons of the sympathetic systemarrow_forwardThere are two divisions of the autonomic nervous system: Sympathetic and parasympathetic Describe 5 effects of parasympathetic activation. How does this help the body return to normal activities after exertion?arrow_forward
- Describe the basic pathway of parasympathetic innervation through cranial nerves and sacral spinal nerves to the visceral organs.arrow_forwardFor each of the following indicate either: somatomotor, sympathetic, or parasympathetic A. ACh is the neurotransmitter present between the postganglionic neuron and the target B. stimulatory to stomach contraction C. The adrenal gland stimulated to release a neurohormonearrow_forwardDiscuss the sympathetic and parasympathetic divisions of the autonomic nervous system. Why are these referred to as our fight-or-flight and rest-and-digest systems?arrow_forward
- Contrast the functions of the sympathetic and para-sympathetic divisions of the autonomic nervous system.arrow_forwardAt the onset of exercise, what does sympathetic discharge cause?arrow_forwardWhich of these physiological changes would not beconsidered part of the sympathetic fight-or-flight response?a. increased heart rateb. increased sweatingc. dilated pupilsd. increased stomach motilityarrow_forward
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