ANAT.+PHYSIO.1-LAB.MAN. >CUSTOM<
20th Edition
ISBN: 9781264303106
Author: VanPutte
Publisher: MCGRAW-HILL HIGHER EDUCATION
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 20, Problem 20RAC
Summary Introduction
Introduction:
Venous return refers to the amount of the blood that returns to the heart from systemic circulation. During exercise, the increase in the venous return results in increased end-diastolic volume.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
a calcium channel blocker or an antagonist drug will produce
a. vasoconstriction
b. increase in blood pressure
c. increase in total peripheral resistance
d. reduction in cardiac muscle contractility
A patient has been in a serious car accident and is hemorrhaging. Which of the following changes would be seen in this patient? a. a decrease in stroke volume b. an increase in heart rate c. a possible decrease in cardiac output d. All of these are correct.
which of the following factors will increase the cardiac output?
a. decreased heart rateb. increased stroke volumec. increased end-systolic volume d. decreased sympathetic activitye. decreased venous return
Chapter 20 Solutions
ANAT.+PHYSIO.1-LAB.MAN. >CUSTOM<
Ch. 20.1 - State the four functions of the heart.Ch. 20.2 - What is the approximate size and shape of the...Ch. 20.2 - Where is the heart located? How does this...Ch. 20.3 - Describe the parts of the pericardium and their...Ch. 20.3 - Describe the three layers of the heart wall, and...Ch. 20.3 - Name the chambers of the heart, and describe their...Ch. 20.3 - List the major blood vessels that enter and leave...Ch. 20.3 - Prob. 8AYPCh. 20.3 - Prob. 9AYPCh. 20.3 - Prob. 10AYP
Ch. 20.3 - Describe the openings of the right and left atria....Ch. 20.3 - Prob. 12AYPCh. 20.3 - Prob. 13AYPCh. 20.3 - Prob. 14AYPCh. 20.4 - Prob. 15AYPCh. 20.5 - Prob. 16AYPCh. 20.5 - Prob. 17AYPCh. 20.5 - Prob. 18AYPCh. 20.5 - Prob. 19AYPCh. 20.5 - Identify the parts of the conducting system of...Ch. 20.5 - Prob. 21AYPCh. 20.5 - Prob. 22AYPCh. 20.6 - Prob. 23AYPCh. 20.6 - Prob. 24AYPCh. 20.6 - Prob. 25AYPCh. 20.6 - Prob. 26AYPCh. 20.6 - What does an ECG measure? Nome the waves...Ch. 20.7 - Define systole and diastole.Ch. 20.7 - List the five periods of the cardiac cycle (see...Ch. 20.7 - Define isovolumetric. When does most ventricular...Ch. 20.7 - Prob. 31AYPCh. 20.7 - Prob. 32AYPCh. 20.7 - Prob. 33AYPCh. 20.8 - Prob. 34AYPCh. 20.8 - Explain the role of MAP in causing blood flow.Ch. 20.8 - Prob. 36AYPCh. 20.8 - Prob. 37AYPCh. 20.8 - Prob. 38AYPCh. 20.9 - Prob. 39AYPCh. 20.9 - Prob. 40AYPCh. 20.9 - Prob. 41AYPCh. 20.9 - Prob. 42AYPCh. 20.9 - Prob. 43AYPCh. 20.10 - Prob. 44AYPCh. 20.10 - Prob. 45AYPCh. 20.10 - What effect does an increase or a decrease...Ch. 20.10 - Prob. 47AYPCh. 20.11 - Prob. 48AYPCh. 20.11 - Prob. 49AYPCh. 20.11 - Prob. 50AYPCh. 20.11 - Prob. 51AYPCh. 20 - Which of these structures returns blood to the...Ch. 20 - Prob. 2RACCh. 20 - Prob. 3RACCh. 20 - Prob. 4RACCh. 20 - Prob. 5RACCh. 20 - Prob. 6RACCh. 20 - Action potentials pass from one cardiac muscle...Ch. 20 - During the transmission of action potentials...Ch. 20 - Given these structures of the conducting system of...Ch. 20 - Prob. 10RACCh. 20 - Prob. 11RACCh. 20 - The greatest amount of ventricular filling occurs...Ch. 20 - Prob. 13RACCh. 20 - Prob. 14RACCh. 20 - Prob. 15RACCh. 20 - Cardiac output is defined as blood pressure times...Ch. 20 - Pressure in the aorta is at its lowest a. at the...Ch. 20 - Prob. 18RACCh. 20 - Prob. 19RACCh. 20 - Prob. 20RACCh. 20 - Prob. 21RACCh. 20 - Increased parasympathetic stimulation of the heart...Ch. 20 - Prob. 23RACCh. 20 - Prob. 24RACCh. 20 - Prob. 25RACCh. 20 - Prob. 1CTCh. 20 - In most tissues, peak blood flow occurs during...Ch. 20 - Prob. 3CTCh. 20 - Prob. 4CTCh. 20 - A patient has tachycardia. Would you recommended a...Ch. 20 - Prob. 6CTCh. 20 - A doctor lets you listen to a patient's heart with...Ch. 20 - Explain why it is sufficient to replace the...Ch. 20 - Prob. 9CTCh. 20 - Prob. 10CTCh. 20 - Prob. 11CT
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
- cardiac output will increase by a. decreased blood volume and decrease of heart contractility b. decreased heart rate and contractility c. increased venous return and increased heart contractility d. decreased peripheral resistance and decreased venous returnarrow_forwardStanding for a prolonged period of time can cause ... a. Decline in venous return b. A drop in cardiac output c. A drop in mean arterial pressure d. All of these changes can happen from prolonged standingarrow_forwardIncreased venous return results ina. increased stroke volume. c. decreased heart rate.b. increased cardiac output. d. Both a and b are correctarrow_forward
- parasympathetic nerve stimulation in the heartt will result in A.decreased heart rate B.increased vescular resistence . C. decrease venous tone D. both a and barrow_forwardWhich cell types are associated with spontaneous action potential generation in the absence of an external stimulus from other tissues. A. Sino-Atrial node cells (SA node). B. Atrial cells C. Ventricular cells. D. Endothelial cells. E. A and D.arrow_forwardIncreased parasympathetic stimulation of the hearta. increases the force of ventricular contraction.b. increases the rate of depolarization in the SA node.c. decreases heart rate.d. increases cardiac outputarrow_forward
- An ECG measures a. changes in electrical potential during the cardiac cycle. b. Ca2+ concentration of the ventricles in diastole. c. the force of contraction of the atria during systole. d. the volume of blood being pumped during the contraction cycle.arrow_forwardSelect the correct one, Which of the following would not increase Cardiac Output? A. increase blood epinephrine concentration B. Increase Atrial Preload C. Increase Cardiac sarcoplasmic calcium concentration D. Increase Arterial Afterloadaarrow_forwardWhich of the following statements is true? a. The longer the vessel, the lower the resistance and the greater the flow. b. As blood volume decreases, blood pressure and blood flow also decrease. O c. Increased viscosity increases blood flow. d. All of the above are true What effect does fascicle arrangement have on a muscle's action? a. left atrium O b. left ventricle c. right atrium O d. right ventriclearrow_forward
- Which of the following is a factor associated with hypertension? a. Decreased cardiac output b. Hypovolemia c. Increased afterload d. Decreased afterloadarrow_forwardWhich of the following would not increase Cardiac Output? A. increase blood epinephrine concentration B. Increase Atrial Preload C. Increase Cardiac sarcoplasmic calcium concentration D. Increase Arterial Afterloadarrow_forwardWithin the T-P interval of the EKG... a. The 2nd heart sound is heard b. the semilunar valves are open c. Ventricular pressure is higher than atrial pressure d. Ventricular cardiomyocytes are relaxed e. L-type calcium current is dominant in the ventricular cardiomyocytesarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Essentials of Pharmacology for Health ProfessionsNursingISBN:9781305441620Author:WOODROWPublisher:CengageHuman Physiology: From Cells to Systems (MindTap ...BiologyISBN:9781285866932Author:Lauralee SherwoodPublisher:Cengage LearningBiology (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 LearningComprehensive Medical Assisting: Administrative a...NursingISBN:9781305964792Author:Wilburta Q. Lindh, Carol D. Tamparo, Barbara M. Dahl, Julie Morris, Cindy CorreaPublisher:Cengage Learning
Essentials of Pharmacology for Health Professions
Nursing
ISBN:9781305441620
Author:WOODROW
Publisher:Cengage
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
Comprehensive Medical Assisting: Administrative a...
Nursing
ISBN:9781305964792
Author:Wilburta Q. Lindh, Carol D. Tamparo, Barbara M. Dahl, Julie Morris, Cindy Correa
Publisher:Cengage Learning
GCSE PE - ANTAGONISTIC MUSCLE ACTION - Anatomy and Physiology (Skeletal and Muscular System - 1.5); Author: igpe_complete;https://www.youtube.com/watch?v=6hm_9jQRoO4;License: Standard Youtube License