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 9CYU
What is the significance of the gap junctions in the intercalated discs?
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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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- What is the function of lamina propria?arrow_forwardWhile downhill skiing, Jerry lost control and appeared to hit into a tree, chest first. The ski patrol that are also certified in EMT reported that Jerry was found with his head cocked at a peculiar angle and it looked like he had a fracture at the position of the C2 vertebra. During triage, Jerry appeared cyanotic and apneic. His heart was still beating, but his pulse was fast and thready. a) Explain how the described angle of the head might contribute to the loss of breathingarrow_forwardWhile downhill skiing, Jerry lost control and appeared to hit into a tree, chest first. The ski patrol that are also certified in EMT reported that Jerry was found with his head cocked at a peculiar angle and it looked like he had a fracture at the position of the C2 vertebra. During triage, Jerry appeared cyanotic and apneic. His heart was still beating, but his pulse was fast and thready. a) Explain how the described angle of the head might contribute to the loss of breathingb) What would be the best possible explanation for the cyanosis? Jerry was artificially ventilated and survives the transport to the hospital. Upon admission, the following notes were taken by the trauma team nurse. Right thorax compressed with ribs 7 to 9 fractured Right lung pneumothorax; trachea deviation to the left c) Describe the causes of pneumothrax and why this condition would result in the right lung to collapse? d) Why hasn't the left lung collapse? e) The physician inserts a chest tube into the…arrow_forward
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- While downhill skiing, Jerry lost control and appeared to hit into a tree, chest first. The ski patrol that are also certified in EMT reported that Jerry was found with his head cocked at a peculiar angle and it looked like he had a fracture at the position of the C2 vertebra. During triage, Jerry appeared cyanotic and apneic. His heart was still beating, but his pulse was fast and thready. b) What would be the best possible explanation for the cyanosis?arrow_forwardHow does digitalis result in an increased contractile force of cardiac muscle?arrow_forwardWhat is fibrillation and why can it be life-threatening?arrow_forward
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