Human Physiology: An Integrated Approach (8th Edition)
8th Edition
ISBN: 9780134605197
Author: Dee Unglaub Silverthorn
Publisher: PEARSON
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Textbook Question
Chapter 25.5, Problem 3CC
The active vasodilator nerves to the skin secrete ACh but are classified as sympathetic neurons. On what basis were they identified as sympathetic?
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Chapter 25 Solutions
Human Physiology: An Integrated Approach (8th Edition)
Ch. 25.2 - If venous PO2 decreases as exercise intensity...Ch. 25.3 - In Figure 25.8b, why does the line for mean blood...Ch. 25.5 - The active vasodilator nerves to the skin secrete...Ch. 25 - Name the two muscle compounds that store energy in...Ch. 25 - Prob. 2RQCh. 25 - Prob. 3RQCh. 25 - Prob. 4RQCh. 25 - Prob. 5RQCh. 25 - What is meant by the term oxygen deficit, and how...Ch. 25 - Prob. 7RQ
Ch. 25 - In endurance events, body temperature can reach...Ch. 25 - Prob. 9RQCh. 25 - Prob. 10RQCh. 25 - Prob. 11RQCh. 25 - Prob. 12RQCh. 25 - Match the following brain areas with the...Ch. 25 - Specify whether each of the following parameters...Ch. 25 - Why doesnt increased venous return during exercise...Ch. 25 - Diagram the three theories that explain why the...Ch. 25 - Prob. 17RQCh. 25 - Explain how exercise decreases blood glucose in...Ch. 25 - Prob. 19RQCh. 25 - Prob. 20RQCh. 25 - The following graph shows left ventricular...
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- All efferent fibers of the vasomotor center belong to the ___________division of the autonomic nervous system.arrow_forwardExplain how vascular resistance and blood flow are regulated by (a) sympathetic adrenergic fibers, (b) sympathetic cholinergic fibers, and (c) parasympathetic fibers.arrow_forwardOver what ranges of carotid sinus pressure is baroreflex regulation of sympathetic and parasympathetic activity most sensitive (i.e., largest gain), respectively? asaparrow_forward
- Dual innervation means that visceral effectors are innervated by preganglionic axons from both parasympathetic and sympathetic (ANS) divisions. A. True B Falsearrow_forwardtrue or false.. The articulatory errors present in an apraxic patient’s speech are often the result of damage to CN5 and/or CN7.arrow_forwardMost parasympathetic preganglionic fibers are found in the________ nerve.arrow_forward
- When a person is very stressed and tense, his or her blood pressure typically rises. What aspect of the sympathetic division causes this rise in blood pressure?arrow_forwardDiscuss the difference between pre and postganglionic neurons of the sympathetic systemarrow_forwarda. The nerves connecting the ganglia make up the ______________. b. What is the lowest of the chain ganglia? c. Each sympathetic chain extends from the ___________ to the ____________.arrow_forward
- There are two divisions of the autonomic nervous system: Sympathetic and parasympathetic Describe 5 effects of sympathetic activation. How does this help survival?arrow_forwardWhen the sympathetic division detects a decrease in blood pressure, will it engage in a positive or negative feedback loop? shortly explain the answer.arrow_forwardIn general, parasympathetic activation will produce effects that are _ to those produced by activation of sympathetic neurons. a. similar b. antagonistic c. complimentary d. identicalarrow_forward
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