LAB MANUAL A&P & MOD MSTG/ET SA ACC PK
6th Edition
ISBN: 9780134838007
Author: Marieb
Publisher: PEARSON C
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Textbook Question
Chapter 18.1, Problem 1CYU
Which branch of the autonomic nervous system innervates blood vessels? Which layer of the blood vessel wall do these nerves innervate? What are the effectors (cells that carry out the response)?
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Chapter 18 Solutions
LAB MANUAL A&P & MOD MSTG/ET SA ACC PK
Ch. 18.1 - Which branch of the autonomic nervous system...Ch. 18.1 - When vascular smooth muscle contracts, what...Ch. 18.2 - Name the type of artery that matches each...Ch. 18.3 - Prob. 4CYUCh. 18.4 - Prob. 5CYUCh. 18.4 - In the systemic circuit, which contains more...Ch. 18.5 - Prob. 7CYUCh. 18.6 - List three factors that determine resistance in a...Ch. 18.6 - Suppose vasoconstriction decreases the diameter of...Ch. 18.7 - Prob. 10CYU
Ch. 18.8 - Prob. 11CYUCh. 18.8 - The kidneys play an important role in maintaining...Ch. 18.8 - Your neighbor, Bob, calls you because he thinks he...Ch. 18.8 - Prob. 14CYUCh. 18.9 - Suppose you are in a bicycle race. What happens to...Ch. 18.9 - If many arterioles in your body dilated at once,...Ch. 18.10 - Prob. 17CYUCh. 18.11 - Prob. 18CYUCh. 18.11 - Prob. 19CYUCh. 18.11 - Prob. 20CYUCh. 18.11 - You are assessing the circulation in the leg of a...Ch. 18.11 - In what important way does the area drained by the...Ch. 18.11 - Prob. 23CYUCh. 18.11 - Prob. 24CYUCh. 18.11 - Name the leg veins that often become varicosed.Ch. 18 - Which statement does not accurately describe...Ch. 18 - Smooth muscle in the blood vessel wall (a) is...Ch. 18 - Peripheral resistance (a) is inversely...Ch. 18 - Which of the following can lead to decreased...Ch. 18 - Prob. 5MCCh. 18 - Prob. 6MCCh. 18 - The structure of a capillary wall differs from...Ch. 18 - Prob. 8MCCh. 18 - The myocardium receives its blood supply directly...Ch. 18 - Blood flow in the capillaries is steady despite...Ch. 18 - Prob. 11MCCh. 18 - Tracing the blood from the heart to the right...Ch. 18 - Prob. 13MCCh. 18 - Prob. 14MCCh. 18 - How is the anatomy of capillaries and capillary...Ch. 18 - Prob. 16SAQCh. 18 - Write an equation showing the relationship between...Ch. 18 - Prob. 18SAQCh. 18 - Describe the neural mechanisms responsible for...Ch. 18 - Explain the reasons for the observed changes in...Ch. 18 - Prob. 21SAQCh. 18 - Prob. 22SAQCh. 18 - How are nutrients, wastes, and respiratory gases...Ch. 18 - Prob. 24SAQCh. 18 - Physiologists often consider capillaries and...Ch. 18 - Mr. Hutchinson, another middle-aged victim of the...Ch. 18 - Mr. Hutchinson, another middle-aged victim of the...Ch. 18 - Mr. Hutchinson, another middle-aged victim of the...
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- Explain how vascular resistance and blood flow are regulated by (a) sympathetic adrenergic fibers, (b) sympathetic cholinergic fibers, and (c) parasympathetic fibers.arrow_forwardWhich nerves does not contain the sympathetic fibers?arrow_forwardWhich nerves of the body carry ANS fibers that innervate the SA and AV nodes of the heart? Which of the nerves you listed carry sympathetic fibers and which carry parasympathetic fibers? What is the effect of increased sympathetic impulses on heart rate? What about increased parasympathetic impulses?arrow_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_forwardWhat are the innervations of the sympathetic nervous system?arrow_forwardwhy is dual innervation important to organs such as the heart and bronchial tubes.arrow_forward
- Why does the sympathetic division produce simultaneous effects throughout the body, in contrast to parasympathetic effects, which typically are localized to specific organs?arrow_forwardName the site of the cardiac centers in the brain.Name the two types of cardiac centers. State the nerves stimulated and the effect on the heart when each of those cardiac centers are functioning.arrow_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
- Medical practice is paying more attention to theautonomic system in considering disease states. Whywould autonomic tone be important in consideringcardiovascular disease?arrow_forwardOne mechanism underlying the anesthesia is opening increase numbers of potassium leak channels. How/why would this mechanism cause anesthesia?arrow_forwardWhat effect does sympathetic stimulation have on the heart?arrow_forward
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