Principles of Anatomy and Physiology
16th Edition
ISBN: 9781119662792
Author: Tortora, Gerard J., DERRICKSON, Bryan H.
Publisher: WILEY
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Textbook Question
Chapter 20, Problem 8CP
In correct sequence, which heart chambers, heart valves, and blood vessels would a drop of blood encounter as it flows from the right atrium to the aorta?
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Chapter 20 Solutions
Principles of Anatomy and Physiology
Ch. 20 - l. Define each of the following external features...Ch. 20 - 2. Describe the structure of the pericardium and...Ch. 20 - 3. What are the characteristic internal features...Ch. 20 - Prob. 4CPCh. 20 - 5. What is the relationship between wall thickness...Ch. 20 - Prob. 6CPCh. 20 - What causes the heart valves to open and to close?...Ch. 20 - In correct sequence, which heart chambers, heart...Ch. 20 - Prob. 9CPCh. 20 - Prob. 10CP
Ch. 20 - 11. In what ways are autorhythmic fibers similar...Ch. 20 - What happens during each of the three phases of an...Ch. 20 - 13. In what ways are ECGs helpful in diagnosing...Ch. 20 - How does each ECG wave, interval, and segment...Ch. 20 - 15. Why must left ventricular pressure be greater...Ch. 20 - Prob. 16CPCh. 20 - During which two periods of the cardiac cycle do...Ch. 20 - Prob. 18CPCh. 20 - Prob. 19CPCh. 20 - Prob. 20CPCh. 20 - Prob. 21CPCh. 20 - Define cardiac reserve. How does it change with...Ch. 20 - Prob. 23CPCh. 20 - 24. What are some of the cardiovascular benefits...Ch. 20 - Prob. 25CPCh. 20 - Prob. 26CPCh. 20 - Why is the cardiovascular system one of the first...Ch. 20 - From which tissue does the heart develop?Ch. 20 - Gerald recently visited the dentist. During the...Ch. 20 - 2. Unathletic Sylvia resolves to begin an exercise...Ch. 20 - 3. Mr. Perkins is a large, 62-year-old man with a...
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- Fill in the table below by indicating the organ, region or vessel that the named vessel receives blood from, and the organ, region or vessel to which it delivers blood (see example for aorta and coronary arteries). If you’re doing it right, both columns will have the same answer. You will need to refer to the images in your textbook and lab models to do this. VESSELS OF THE THORACIC CAVITY Artery Blood goes to (organ/region) Blood comes from (organ/region) Vein Aorta entire systemic circuit entire systemic circuit vena cava inferior & superior coronary left & right myocardium coronary left & right Brachiocephalic Brachiocephalic subclavian left & right subclavian left & right Intercostals azygos (not pictured) Pulmonary Pulmonary VESSELS OF THE ABDOMINAL CAVITY Artery Blood goes to (organ/region) Blood comes from (organ/region) Vein celiac trunk…arrow_forwardWhich part of the cardiovascular system contains the most blood? Which part provides the greatest resistance to blood flow? Which part provides the greatest cross-sectional area? Explain.arrow_forwardThe blood that is flowing on the 00 pointed structure initially comes from which part of the heart?arrow_forward
- During a lethal heart attack, a blood clot lodges in the first part of the circumflex branch of the left coronary artery, blocking blood flow through this vessel. What regions of the heart will become ischemic and die?arrow_forwardYou have a young woman on your ward who is awaiting heart surgery. She is keen to know about the structure and function of the heart and asks you to explain the flow of blood through the heart from start to finish. She wants to hear anatomical names and learn about physiological processes ejecting blood from her heart, your response will help keep her distracted from thinking about her upcoming operation. a. Describe the flow of blood through the heart, naming each of the vessels bringing and taking blood to and from the heart. Include chambers of the heart and name structures in the correct sequence along the blood's pathway through the heart - begin with blood returning to the heart from the body and end with blood being ejected into the systemic circulation. Include the names of the valves and identify which valves are open and closed during each cardiac cycle. Describe, using terms like diastole and systole, the changes in ventricular pressure during one cardiac cycle and…arrow_forwardIn a normal cardiac cycle, what two chambers of the heart contract first?arrow_forward
- Select the correct statement regarding the AV node B) it produces the P wave on the EKG C) it is also known as the heart's pacemaker D)it contains autorhythmic cellsarrow_forwardWhat vessels attached to the heart contain oxygenated blood? Are they both arteries? Explain.arrow_forwardIn the calculation of the heart rate using the number 300 method in the ECG, where did the number 300 come from? Why exactly was this method adopted?arrow_forward
- What path does blood follow through the heart and through the two circulations? Identify all structures that it passes through, including each chamber, valve, and great vessel.arrow_forwardDr. J was performing a cardiac bypass on her 53-year-old male patient whose anterior interventricular artery was narrowed near its origin. For this procedure, she chose to use the left internal thoracic artery, leaving its origin intact and cutting its distal connection to attach it to the anterior interventricular artery just beyond the narrowed segment. This successfully restored blood flow to the anterior portion of the heart. What path does the blood take through this diverted route? Aortic arch to axillary artery to internal thoracic artery. O Aortic arch to the left subclavian to internal thoracic artery Aortic arch to left subclavian artery to pericardiacophernic artery to internal thoracic artery Aortic arch to brachiocephalic artery to internal thoracic artery Aortic arch to internal thoracic arteryarrow_forwardDuring a cardiac angiogram, it is discovered that a 58-year-old patient has moderate stenosis of the left circumflex artery. Which chamber of the heart would be impacted by this blockage?arrow_forward
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