EBK ANATOMY & PHYSIOLOGY
5th Edition
ISBN: 9780321888013
Author: Hoehn
Publisher: VST
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Textbook Question
Chapter 17, Problem 1RQ
When the semilunar valves are open, which of the following are occurring? (a) 2, 3, 5, 6, (b) 1, 2, 3, 7, (c) 1, 3, 5, 6, (d) 2, 4, 5, 7.
_____(1) coronary arteries fill
_____(2) AV valves are closed
_____(3) ventricles are in systole
_____(4) ventricles are in diastole
_____(5) blood enters aorta
_____(6) blood enters pulmonary arteries
_____(7) atria contract
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Idenitfy the incorrect statement about the heart
(A) if a coronary artery is blocked, it can lead to a myocardial infarction
(B) coronary circulation is between the heart an lungs
(C) some symptoms of a heart attack can include chest pain, nausea, and light headedness
(D) the chorade teninae and papillary mkuscles prevent eversion upon ventricular contraction
(a) Explain in your own words why varicose veins are more common in the lower limbs than elsewhere in the body. (b) Give a functional reason why valves are more abundant in veins of the upper and lower limbs than in veins of the neck.
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(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.
Page 1 of 2
(vi) Explain why occlusions lead to infarct in the heart.
(vii) What is creatine phosphokinase (CPK) and why are elevated CPK levels in the
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(ix) Describe the main clinical findings (with cor pulmonale) on examination. Explain
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Chapter 17 Solutions
EBK ANATOMY & PHYSIOLOGY
Ch. 17 - The heart is in the mediastinum. Just what is the...Ch. 17 - From inside to outside, list the layers of the...Ch. 17 - What is the purpose of the serous fluid inside the...Ch. 17 - What is the function of the papillary muscles and...Ch. 17 - Which side of the heart acts as the pulmonary...Ch. 17 - Which of the following statements are true? (a)...Ch. 17 - Prob. 7CYUCh. 17 - For each of the following, state whether it...Ch. 17 - Cardiac muscle cannot go into tetany. Why?Ch. 17 - Which part of the intrinsic conduction system...
Ch. 17 - Describe the electrical event in the heart that...Ch. 17 - The second heart sound is associated with the...Ch. 17 - If the mitral valve were insufficient, would you...Ch. 17 - During the cardiac cycle, there are two periods...Ch. 17 - Prob. 15CYUCh. 17 - What problem of cardiac output might ensue if the...Ch. 17 - When the semilunar valves are open, which of the...Ch. 17 - The portion of the intrinsic conduction system...Ch. 17 - An ECG provides information about (a) cardiac...Ch. 17 - The sequence of contraction of the heart chambers...Ch. 17 - The fact that the left ventricular wall is thicker...Ch. 17 - Prob. 6RQCh. 17 - In the heart, which of the following apply? (1)...Ch. 17 - The activity of the heart depends on intrinsic...Ch. 17 - Freshly oxygenated blood is first received by the...Ch. 17 - Describe the location and position of the heart in...Ch. 17 - Describe the pericardium and distinguish between...Ch. 17 - Trace one drop of blood from the time it enters...Ch. 17 - (a) Describe how heart contraction and relaxation...Ch. 17 - The refractory period of cardiac muscle is much...Ch. 17 - (a) Name the elements of the intrinsic conduction...Ch. 17 - Draw a normal ECG pattern. Label and explain the...Ch. 17 - Define cardiac cycle, and follow the events of one...Ch. 17 - What is cardiac output, and how is it calculated?Ch. 17 - Discuss how the Frank-Starling law of the heart...Ch. 17 - Prob. 1CCSCh. 17 - Prob. 2CCSCh. 17 - Prob. 3CCSCh. 17 - Prob. 4CCSCh. 17 - Prob. 5CCSCh. 17 - Prob. 6CCS
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- Figure 40.11 Which of the following statements about the heart is false? The mitral valve separates the left ventricle from the left atrium. Blood travels through the bicuspid valve to the left atrium. Both the aortic and the pulmonary valves are semilunar valves. The mitral valve is an atrioventricular valve.arrow_forwardLabel the hearts main parts in the diagram below.arrow_forwardThe aortic valve closes (a) at the same time the mitral valve closes, (b) just after the atria contract, (c) just before the ventricles contract, (d) just after the ventricles contract.arrow_forward
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