Anatomy and Physiology by OpenStax
17th Edition
ISBN: 9781506698021
Author: J. Gordon Betts;Dean H. Kruse;Kelly A. Young;Peter DeSaix;Brandon Poe;Oksana Korol;James A. Wise;Eddie Johnson;Jody E. Johnson;Mark Womble
Publisher: XANEDU PUBLISHING
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 19, Problem 14RQ
Most blood enters the ventricle during ________.
- atrial systole
- atrial diastole
- ventricular systole
- isovolumic contraction
Expert Solution & Answer
Trending nowThis is a popular solution!
Students have asked these similar questions
Pressure in the ventricle would be lowest during _____.
atrial systole
ventricular systole
ventricular diastole
isovolumetric relaxation
diastisis
The blood pressure in the left ventricle during systole is ______ the blood pressure in the right ventricle.
A
greater than
B
equal to
C
less than
The aortic semilunar valve has ____ pocket-like flaps of tissue.
Chapter 19 Solutions
Anatomy and Physiology by OpenStax
Ch. 19 - Visit this site...Ch. 19 - Which of the following is not important in...Ch. 19 - Which valve separates the left atrium from the...Ch. 19 - Which of the following lists the valves in the...Ch. 19 - Which chamber initially receives blood from the...Ch. 19 - The ________ layer secretes chemicals that help to...Ch. 19 - The myocardium would be the thickest in the...Ch. 19 - In which septum is it normal to find openings in...Ch. 19 - Which of the following is unique to cardiac muscle...Ch. 19 - The influx of which ion accounts for the plateau...
Ch. 19 - Which portion of the ECG corresponds to...Ch. 19 - Which component of the heart conduction system...Ch. 19 - The cardiac cycle consists of a distinct...Ch. 19 - Most blood enters the ventricle during ________....Ch. 19 - The first heart sound represents which portion of...Ch. 19 - Ventricular relaxation immediately follows...Ch. 19 - The force the heart must overcome to pump blood is...Ch. 19 - The cardiovascular centers are located in which...Ch. 19 - In a healthy young adult, what happens to cardiac...Ch. 19 - What happens to preload when there is venous...Ch. 19 - Which of the following is a positive inotrope? Na+...Ch. 19 - The earliest organ to form and begin function...Ch. 19 - Of the three germ layers that give rise to all...Ch. 19 - The two tubes that eventually fuse to form the...Ch. 19 - Which primitive area of the heart will give rise...Ch. 19 - The pulmonary trunk and aorta are derived from...Ch. 19 - Describe how the valves keep the blood moving in...Ch. 19 - Why is the pressure in the pulmonary circulation...Ch. 19 - Why is the plateau phase so critical to cardiac...Ch. 19 - How does the delay of the impulse at the...Ch. 19 - How do gap junctions and intercalated disks aid...Ch. 19 - Why do the cardiac muscles cells demonstrate...Ch. 19 - Describe one cardiac cycle, beginning with both...Ch. 19 - Why does increasing EDV increase contractility?Ch. 19 - Why is afterload important to cardiac function?Ch. 19 - Why is it so important for the human heart to...Ch. 19 - Describe how the major pumping chambers, the...
Additional Science Textbook Solutions
Find more solutions based on key concepts
Near the end of a marathon race, the first two runners are separated by a distance of 45.0 m. The front runner ...
College Physics
HOW DO WE KNOW? In this chapter, we focused on extensions and modifications of Mendelian principles and ratios....
Concepts of Genetics (12th Edition)
Define histology.
Fundamentals of Anatomy & Physiology (11th Edition)
CAUTION Why does the presence of extinct forms and transitional features in the fossil record support the patte...
Biological Science (6th Edition)
A Slice of pizza has 500 kcal. If we could burn the pizza and use all the heat to warm a 50-L container of cold...
Campbell Biology in Focus (2nd Edition)
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
- One complete heart beat goes from _______.arrow_forward4. Atrial systole follows _________. T-wave Z-wave P-wave QRS complexarrow_forwardRepolarization of ventricular myocardiocytes is caused by ______ the cells through voltage-gated channels. A potassium entering B potassium leaving C sodium entering D sodium leaving E calcium enteringarrow_forward
- When the ventricles are no longer acting as a syncytium and can't pump blood, they are in ____. Group of answer choices ventricular tachycardia fibrillation bradycardia AV node blockarrow_forwardIn the sheep's heart, the right atrium is _______ to the right ventricle.arrow_forwardone completed round of systole and diastolearrow_forward
- When heart muscle is suddenly starved of blood so that it dies, this is called ___. fusiform aneurysm angina pectoris saccular aneurysm acute myocardial infarctionarrow_forwardWhen the lumen of an artery fills with plaque and calcium salts reducing blood flow, this condition is called ___. atherosclerosis arteriosclerosis mycosis myosisarrow_forwardThe atrioventricular valves open because ______. A relaxation of the ventricles causes the ventricular pressure to fall below the atrial pressure B ventricular pressure rises above the pressure in the aorta and pulmonary arteries C ventricular pressure rises above atrial pressure due the ventricular walls being stronger D atrial contraction causes atrial pressure to rise above ventricular pressurearrow_forward
- When a portion of the myocardium is suddenly deprived of oxygen and heart tissue dies, this is called___. mitral stenosis angina pectoris acute myocardial infarction congestive heart failiurearrow_forwardDuring diastole the blood pressure in the left ventricle is _______. A lower than the pressure in the left atrium so the ventricle can fill B greater than the pressure in the aorta so blood can be ejected C equal to the diastolic blood pressure measured in the armarrow_forwardIn the case where a single valve unit in a vein fails so the weight of the blood is held up by the next lower vein is called a(n)___. varix hemorrhage aneurysm AMIarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Medical Terminology for Health Professions, Spira...Health & NutritionISBN:9781305634350Author:Ann Ehrlich, Carol L. Schroeder, Laura Ehrlich, Katrina A. SchroederPublisher: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
TISSUE REPAIR Part 1: Repair - Regeneration; Author: ilovepathology;https://www.youtube.com/watch?v=t-5EjlS6qjk;License: Standard YouTube License, CC-BY