ANATOMY & PHYSIOLOGY: AN INTEGRATIVE APP
3rd Edition
ISBN: 9781266163654
Author: McKinley
Publisher: MCG
expand_more
expand_more
format_list_bulleted
Videos
Textbook Question
Chapter 19, Problem 3DYB
How is blood prevented from backflowing from the pulmonary trunk into the right ventricle?
- a. closing of the right AV valves
- b. opening of the pulmonary semilunar valve
- c. contraction of the right atrium
- d. closing of the pulmonary semilunar valve
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Why is it necessary to stimulate papillary muscles in the ventricle slightly earlier than the rest of the ventricular wall myocardium?
a. to assure rapid conduction speed of the action potential
b. to pull on AV valve cusps to prevent backflow
c. to assure blood will surge toward the semilunar valves
d. to assure coordinated contraction of the ventricular myocardium
At the instant following the second heart sound, which heart valves are open?
a. Semilunar (SA) valves only
b. Atrioventricular (AV) valves only
c. both SA and AV valves
d. All valves are closed
In terms of being open or closed, what is the state of the mitral and tricuspid valve (left and right atrioventricular valves respectively) at the end of the first heart sound?
a. Mitral is closed, Tricuspid is open
b. Mitral is open, Tricuspid is closed
c. Both are closed
d. Both are open
Chapter 19 Solutions
ANATOMY & PHYSIOLOGY: AN INTEGRATIVE APP
Ch. 19.1 - Prob. 1LOCh. 19.1 - WHAT DID YOU LEARN?
1 Define perfusion. Why would...Ch. 19.1 - Prob. 2LOCh. 19.1 - LEARNING OBJECTIVE
3. Describe the general...Ch. 19.1 - WHAT DO YOU THINK?
1 What vessels attached to the...Ch. 19.1 - Prob. 2WDLCh. 19.1 - Prob. 3WDLCh. 19.1 - Prob. 4WDLCh. 19.1 - Prob. 5WDLCh. 19.1 - Prob. 4LO
Ch. 19.1 - What path does blood follow through the heart?...Ch. 19.1 - Which of the great vessels is both an artery and...Ch. 19.2 - LEARNING OBJECTIVE
5. Describe the location and...Ch. 19.2 - Prob. 8WDLCh. 19.2 - Prob. 9WDLCh. 19.2 - Prob. 6LOCh. 19.2 - Prob. 7LOCh. 19.2 - Describe the three layers that cover the heart....Ch. 19.3 - LEARNING OBJECTIVE
8. Compare the superficial...Ch. 19.3 - Prob. 11WDLCh. 19.3 - Prob. 12WDLCh. 19.3 - Prob. 13WDLCh. 19.3 - Prob. 9LOCh. 19.3 - What are the layers of the heart (in order) that a...Ch. 19.3 - Prob. 10LOCh. 19.3 - What is the structure that separates the two...Ch. 19.3 - Prob. 16WDLCh. 19.3 - Prob. 11LOCh. 19.3 - What are the functions of the tendinous cords and...Ch. 19.3 - Prob. 12LOCh. 19.3 - Which function of the fibrous skeleton allows the...Ch. 19.3 - Prob. 13LOCh. 19.3 - Prob. 14LOCh. 19.3 - Prob. 15LOCh. 19.3 - Which features of cardiac muscle support aerobic...Ch. 19.4 - Prob. 16LOCh. 19.4 - Prob. 17LOCh. 19.4 - Prob. 18LOCh. 19.4 - Prob. 2WDTCh. 19.4 - What areas of the heart are deprived of blood when...Ch. 19.4 - Prob. 19LOCh. 19.4 - Prob. 21WDLCh. 19.5 - Prob. 20LOCh. 19.5 - Prob. 22WDLCh. 19.5 - Prob. 21LOCh. 19.5 - Which autonomic division is associated with the...Ch. 19.6 - LEARNING OBJECTIVE
22. Describe a nodal cell at...Ch. 19.6 - Prob. 24WDLCh. 19.6 - Prob. 23LOCh. 19.6 - Prob. 24LOCh. 19.6 - Prob. 3WDTCh. 19.6 - What is autorhythmicity? Describe how nodal cells...Ch. 19.6 - Prob. 25LOCh. 19.6 - What is the path of an action potential through...Ch. 19.6 - What anatomic features slow the conduction rate of...Ch. 19.7 - Prob. 26LOCh. 19.7 - In which direction does Ca2+ move in response to...Ch. 19.7 - Prob. 27LOCh. 19.7 - Prob. 28LOCh. 19.7 - Prob. 4WDTCh. 19.7 - What three electrical events occur at the...Ch. 19.7 - Prob. 29LOCh. 19.7 - Prob. 30LOCh. 19.7 - What is the significance of the extended...Ch. 19.7 - Prob. 31LOCh. 19.7 - What events in the heart are indicated by each of...Ch. 19.8 - Prob. 32LOCh. 19.8 - Prob. 33LOCh. 19.8 - Pressure changes that occur during the cardiac...Ch. 19.8 - Prob. 34LOCh. 19.8 - Prob. 35LOCh. 19.8 - What is occurring during ventricular ejection?Ch. 19.8 - Prob. 34WDLCh. 19.8 - Define end-diastolic volume, end-systolic volume,...Ch. 19.9 - Prob. 36LOCh. 19.9 - Prob. 37LOCh. 19.9 - What are the two factors that determine cardiac...Ch. 19.9 - What is the cardiac output at rest and during...Ch. 19.9 - Prob. 38LOCh. 19.9 - Prob. 39LOCh. 19.9 - Prob. 38WDLCh. 19.9 - Describe the atrial reflex, which involves...Ch. 19.9 - Prob. 40LOCh. 19.9 - Prob. 41LOCh. 19.9 - Prob. 40WDLCh. 19.9 - Prob. 42LOCh. 19.9 - Prob. 41WDLCh. 19.10 - Prob. 43LOCh. 19.10 - Prob. 44LOCh. 19.10 - Prob. 42WDLCh. 19 - Which of the following is the correct circulatory...Ch. 19 - The pericardial cavity is located between the a....Ch. 19 - How is blood prevented from backflowing from the...Ch. 19 - ____ 4. Venous blood draining from the heart wall...Ch. 19 - _____ 5. Calcium channels in the nodal cells...Ch. 19 - ____6. Action potentials are spread rapidly...Ch. 19 - Why is it necessary to stimulate papillary muscles...Ch. 19 - ____ 8. Preload is a measure of a. stretch of...Ch. 19 - ____ 9. All of the following occur when the...Ch. 19 - ____10. What occurs during the atrial reflex? a....Ch. 19 - Prob. 11DYBCh. 19 - Compare the structure, location, and function of...Ch. 19 - Prob. 13DYBCh. 19 - Explain why the walls of the atria are thinner...Ch. 19 - Describe the structure and function of...Ch. 19 - Explain the general location and function of...Ch. 19 - Describe the functional differences in the effects...Ch. 19 - Prob. 18DYBCh. 19 - List the five events of the cardiac cycle, and...Ch. 19 - Define cardiac output, and explain how it is...Ch. 19 - A young man was doing some vigorous exercise when...Ch. 19 - A young man was doing some vigorous exercise when...Ch. 19 - Prob. 3CALCh. 19 - Prob. 4CALCh. 19 - During surgery, the right vagus nerve was...Ch. 19 - Prob. 1CSLCh. 19 - Prob. 2CSLCh. 19 - Your grandfather was told that his SA node...
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
- Which heart chamber has the thickest wall? a. right atrium c. left atrium b. right ventricle d. left ventriclearrow_forwardWhy does the right ventricle have a bicuspid valve? a. The low pressure generated by the right ventricle is best suited to bicuspid valve compared with a tricuspid valve b. The high pressure generated by the right ventricle would be better controlled by a bicuspid compared with a tricuspid valve c. Only a short pumping distance to the lungs is required for the bicuspid valve d. The right ventricle does not have a bicuspid valvearrow_forwardIt is important to have the appropriate cuff size when taking the blood pressure. What error may result from a cuff that is too large or too small? a. An incorrect reading b. Injury to the patient c. Prolonged pressure on the arm d. Loss of Korotkoff soundsarrow_forward
- What valve is located between the left atrium and left ventricle? a-Tricuspid valve b-Bicuspid valve c-Pulmonary valve d-Aortic valvearrow_forward"the patient's heart makes a sound at systole, assuming it is the S1 sound made by closing of valves, which valve are involved?" a mitral valve and tricuspid valve b pulmonary and aortic valve c mitral and pulmonary valve d aortic and tricuspid valvearrow_forwardThe valve located between the right atrium and the right ventricle is thea. aortic semilunar valve. c. tricuspid valve.b. pulmonary semilunar valve. d. bicuspid (mitral) valve.arrow_forward
- Match the following: ? Prevents backflow into the left ventricle ? Prevents backflow into the right atrium ? Prevents backflow into the left atrium ? Prevents backflow into the right ventricle A. Aortic semilunar valve B. Mitral (bicuspid) valve C. Tricuspid valve D. Pulmonary semilunar valvearrow_forwardWhat forms an external boundary between the atria and the venticles on the surface of the heart? Select one: a.interventricular sulcus b.coronary sulcus c.interatrial septum d.interatrial septum e.fossa ovalisarrow_forwardWhich of the following is true of the EKG? A. Depolarization of the atria cannot be seen on the EKG B. Repolarization of the atria cannot be seen on the EKG. C. Depolorization of the ventricles cannot be seen on the EKG. D. Repolorazition of the ventricles cannot be seen on the EKG.arrow_forward
- The following is correct about valvular structures A. The AV valves are the structures that divide the upper atria from the lower ventricles B. The pulmonic vale separates the left ventricle from the system circulation C. The tricuspid valve separates the left atrium from the left ventricle D. The mitral valve separates the right atrium from the right ventricle Choose the correct answerarrow_forwardWhich of the following conditions might result in the back flow of blood through a weakened mitral valve? Group of answer choices a. High pressure in the left ventricle, low pressure in the left atrium b. High pressure in the left atrium, low pressure in the left ventricle c. High pressure in the right ventricle, low pressure in the right atrium d. High pressure in the right atrium, low pressure in the right ventriclearrow_forwardVenous blood draining from the heart wall enters the right atrium through the a. coronary sinus. b. inferior vena cava. c. pulmonary veins. d. superior vena cava.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Biology (MindTap Course List)BiologyISBN:9781337392938Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. BergPublisher:Cengage Learning
Fundamentals of Sectional Anatomy: An Imaging App...BiologyISBN:9781133960867Author:Denise L. LazoPublisher:Cengage Learning
Medical Terminology for Health Professions, Spira...Health & NutritionISBN:9781305634350Author:Ann Ehrlich, Carol L. Schroeder, Laura Ehrlich, Katrina A. SchroederPublisher:Cengage Learning
Biology (MindTap Course List)
Biology
ISBN:9781337392938
Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher:Cengage Learning
Fundamentals of Sectional Anatomy: An Imaging App...
Biology
ISBN:9781133960867
Author:Denise L. Lazo
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