Human Anatomy (8th Edition)
8th Edition
ISBN: 9780134243818
Author: Elaine N. Marieb, Patricia Brady Wilhelm, Jon B. Mallatt
Publisher: PEARSON
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Chapter 19, Problem 19RQ
Make a drawing of the adult heart and the associated large vessels. Then color and label the adult regions that derive from each embryonic heart chamber: (a) sinus venosus, (b) embryonic atrium, (c) embryonic ventricle, (d) bulbus cordis.
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Make a drawing of the adult heart and the associated large vessels. Then color and label the adult regions that derive from each embryonic heart chamber: (a) sinus venosus, (b) embryonic atrium, (c) embryonic ventricle, (d) bulbus cordis.
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(a) Which chambers of the heart form its anterior surface?(b) Name the most posterior chamber of the heart.
Chapter 19 Solutions
Human Anatomy (8th Edition)
Ch. 19 - Prob. 1CYUCh. 19 - Prob. 2CYUCh. 19 - What is another name for the epicardium?Ch. 19 - Identify the heart chamber or chambers that...Ch. 19 - Prob. 5CYUCh. 19 - Prob. 6CYUCh. 19 - During ventricular systole, are the AV valves open...Ch. 19 - Differentiate a stenotic valve from an incompetent...Ch. 19 - What is the significance of the gap junctions in...Ch. 19 - What is the pacemaker of the heart, and where is...
Ch. 19 - Prob. 11CYUCh. 19 - Prob. 12CYUCh. 19 - Prob. 13CYUCh. 19 - How would incomplete formation of the...Ch. 19 - Which chamber of the heart is formed from the...Ch. 19 - What is the single most important factor for...Ch. 19 - The most external part of the pericardium is the...Ch. 19 - Prob. 2RQCh. 19 - How many cusps does the right atrioventricular...Ch. 19 - Prob. 4RQCh. 19 - Prob. 5RQCh. 19 - Prob. 6RQCh. 19 - Prob. 7RQCh. 19 - Prob. 8RQCh. 19 - Prob. 9RQCh. 19 - Which layer of the heart wall is the thickest? (a)...Ch. 19 - The inferior left corner of the heart is located...Ch. 19 - Prob. 12RQCh. 19 - Describe the location of the heart within the...Ch. 19 - Trace a drop of blood through all the heart...Ch. 19 - Prob. 15RQCh. 19 - Sketch the heart and draw all the coronary vessels...Ch. 19 - Prob. 17RQCh. 19 - Prob. 18RQCh. 19 - Make a drawing of the adult heart and the...Ch. 19 - How do the right and left ventricles differ...Ch. 19 - Which is more resistant to fatigue, cardiac muscle...Ch. 19 - Describe the structure and function of an...Ch. 19 - Compare and contrast the structure of cardiac...Ch. 19 - Classify the three congenital heart...Ch. 19 - Prob. 2CRCAQCh. 19 - Prob. 3CRCAQCh. 19 - After a man was stabbed in the chest, his face...Ch. 19 - A heroin addict felt tired, weak, and feverish....Ch. 19 - Another patient had an abnormal heart sound that...Ch. 19 - Prob. 7CRCAQCh. 19 - During a lethal heart attack, a blood. clot lodges...Ch. 19 - Prob. 9CRCAQ
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- The heart wall that covers papillary muscle?arrow_forward(a) What is the cardiac cycle? (b) What phases and events are necessary to complete the cardiac cycle?arrow_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_forward
- (a) Name the elements of the intrinsic conduction system of the heart in order, beginning with the pacemaker. (b) What is the important function of this conduction system?arrow_forwardWhich heart chamber forms most of the heart’s inferior surface? (a) right atrium, (b) right ventricle, (c) left atrium, (d) left ventricle.arrow_forwardSelect the best answer or answers from the choices given: Blood flow in the capillaries is steady despite the rhythmic pumping of the heart because of the (a) elasticity of the large arteries, (b) small diameter of capillaries, (c) thin walls of the veins, (d) venous valves.arrow_forward
- Select the best answer or answers from the choices given: Which of the following can lead to decreased venous return of blood to the heart? (a) an increase in blood volume, (b) an increase in venous pressure, (c) damage to the venous valves, (d) increased muscular activity.arrow_forwardList 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_forwardThe blood supply to the heart is provided by the, (a) systemic circulation. (b) pulmonary circulation. (c) coronary circulation. (d) coronary portal system.arrow_forward
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