Anatomy & Physiology (6th Edition)
6th Edition
ISBN: 9780134156415
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Videos
Textbook Question
Chapter 18.9, Problem 15CYU
Suppose you are in a bicycle race. What happens to the smooth muscle in the arterioles supplying your leg muscles? What is the key mechanism in this case?
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
What is the purpose of the thick elastic smooth muscle in arteries?
What are the Effects of sympathetic nerves and plasma epinephrine on the arterioles in skeletal muscle?
Unlike skeletal muscle, cardiac muscle doesn’t undergo tetany. Explain how this is achieved and why is this necessary?
Chapter 18 Solutions
Anatomy & Physiology (6th Edition)
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...
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Discuss how contraction and relaxation of arteriolar vascular smooth muscle regulates peripheral blood flow.arrow_forwardDescribe the functional significance of the skeletal muscle pump and illustrate the action ofvenous valves.arrow_forwardCompare the structure and function of arteries and veins, and the significance of the skeletal muscle pumps.arrow_forward
- How does excitation–contraction coupling in cardiac muscle resemble that of skeletal muscle? How is it different?arrow_forward_____Myocardial muscles are located in the walls of internal organs such as the digestive tract, blood vessels, and ducts leading from glands.arrow_forwardFollowing a large increase in sympathetic output from the vasomotor center, what tissues will get less blood (increased resistance, reduced flow), and which ones will continue to get plenty of flow? How is sympathetic control of skeletal muscle arterioles different from other vascular beds?arrow_forward
- The entry of calcium into a ventricular muscle cell helps to maintain depolarization of the membrane during the plateau phase of the action potential, but this calcium also performs what other function?arrow_forwardDiscuss the importance of smooth muscle cells present in the aorta and all arteries.arrow_forwardVentricular Contractility increases in response to circulating Epinephrine. What factor is responsible for this increase in the force of the contraction?arrow_forward
- Reduction in the lumen diameter of a blood vessel as the smooth muscle contracts is known as __________. A arteriosclerosis B atherosclerosis C vasodilation D vasoconstriction E varicose veinsarrow_forwardDescribe the structure of intercalated discs in cardiac musclecells, and briefly discuss their functions.arrow_forward
arrow_back_ios
arrow_forward_ios
Recommended textbooks for you
Human Physiology: From Cells to Systems (MindTap ...BiologyISBN:9781285866932Author:Lauralee SherwoodPublisher:Cengage Learning
Biology (MindTap Course List)BiologyISBN:9781337392938Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. BergPublisher:Cengage Learning
Medical Terminology for Health Professions, Spira...Health & NutritionISBN:9781305634350Author:Ann Ehrlich, Carol L. Schroeder, Laura Ehrlich, Katrina A. SchroederPublisher:Cengage Learning
Human Physiology: From Cells to Systems (MindTap ...
Biology
ISBN:9781285866932
Author:Lauralee Sherwood
Publisher:Cengage Learning
Biology (MindTap Course List)
Biology
ISBN:9781337392938
Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher:Cengage Learning
Medical Terminology for Health Professions, Spira...
Health & Nutrition
ISBN:9781305634350
Author:Ann Ehrlich, Carol L. Schroeder, Laura Ehrlich, Katrina A. Schroeder
Publisher:Cengage Learning
The Cardiovascular System: An Overview; Author: Strong Medicine;https://www.youtube.com/watch?v=Wu18mpI_62s;License: Standard youtube license