SEELEY'S ANATOMY+PHYSIOLOGY
12th Edition
ISBN: 9781260172195
Author: VanPutte
Publisher: RENT MCG
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Chapter 20.3, Problem 13AYP
Summary Introduction
To determine:
The valves separating atria from ventricles and the roles of papillary muscles and chordae tendineae.
Introduction:
The human heart has atrioventricular valves and semilunar valves. Tricuspid and bicuspid are the two types of atrioventricular valves.
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Name the valves that separate the atriafrom the ventricles. What are the functionsof the papillary muscles and the chordaetendineae?
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Chapter 20 Solutions
SEELEY'S ANATOMY+PHYSIOLOGY
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
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- List the major blood vessels and their origins involved in coronary circulation. (ii) At what stage or phase of the heart’s activities does the heart tissues becomes perfused with oxygenated blood? (iii) Define myocardial infarction. (iv) Explain the typical signs associated with acute myocardial infarction. (v) Outline/State which arteries of the heart are most commonly affected/occluded. (vi) Explain why occlusions lead to infarct in the heart. (vii) What is creatine phosphokinase (CPK) and why are elevated CPK levels in the blood suggestive of a myocardial infarction? (viii) What is cor pulmonale? (ix) Describe the main clinical findings (with cor pulmonale) on examination. Explain your answer.arrow_forwardWhen each chambers is contracting, which valves are open to let blood flow out and which valves are closed to prevent the blood from back flow?arrow_forwardHow would an ineffective right ventricle affect the pulmonary and systemic circulation?arrow_forward
- Which valve does blood pass through on its way to the right ventricle? :_______________ Which vessel carries oxygenated blood in the pulmonary circuit? :_______________ Which chamber of the heart receives blood returning from the body? :_______________ Which chamber of the heart sends blood to the lungs? :_______________ Which valve prevents backflow of blood into the left ventricle? :_______________ Which vessels carry oxygen-rich blood? :_______________ Which vessels carry oxygen-poor blood? :_______________ Which vessels carry blood away from the heart? :_______________ Which vessels carry blood back to the heart? :_______________ Which valve does blood pass through in order to enter the pulmonary artery? :_______________ Where does blood in the right atrium go next? :_______________ Where does blood in the left ventricle go next? :_______________? Where does blood in the vena cava go next? :_______________ Is blood in the pulmonary vein oxygen-rich or oxygen-poor? Where does it go…arrow_forwardWhich of the following statements are true? (a) The left ventricle wall is thicker than the right ventricle wall. (b) The left ventricle pumps blood at a higher pressure than the right ventricle. (c) The left ventricle pumps more blood with each beat than the right ventricle. Explain.arrow_forwardWhich of these events occurs during (ventricular) systole? A)Only the left ventricle contracts. B)The ventricles fill with blood. C)Both ventricles contract. D)The atria fill with bloodarrow_forward
- (i)List the major blood vessels and their origins involved in coronary circulation.(ii) At what stage or phase of the heart’s activities does the heart tissues becomes perfused with oxygenated blood? (iii) Define myocardial infarction.(iv) Explain the typical signs associated with acute myocardial infarction. (v) Outline/State which arteries of the heart are most commonly affected/occluded.(vi) Explain why occlusions lead to infarct in the heart.arrow_forwardThe irregular muscular ridges in the ventricular walls are thea. papillary muscles.b. trabeculae carneae.c. chordae tendineae.d. moderator bandsarrow_forwardWhich valves are anchored by chordae tendineae?arrow_forward
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