Human Anatomy & Physiology (2nd Edition)
2nd Edition
ISBN: 9780134553511
Author: Erin C. Amerman
Publisher: PEARSON
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Textbook Question
Chapter 17, Problem 15CYR
Fill in the blanks: The first heart sound is called _________and it is caused by the closing of the __________valves. It occurs at the beginning of the ______phase of the cardiac cycle. The second heart sound is called _________and it is caused by the closing of the ________ valves. It occurs at the beginning of the ____________ phase of the cardiac cycle.
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Check out a sample textbook solutionChapter 17 Solutions
Human Anatomy & Physiology (2nd Edition)
Ch. 17.1 - Where is the heart located, and how large is it?Ch. 17.1 - What are the hearts upper and lower chambers...Ch. 17.1 - What are the sources from which blood flows into...Ch. 17.1 - 4. Which side of the heart is considered the...Ch. 17.1 - Which side of the heart is considered the systemic...Ch. 17.2 - Prob. 1QCCh. 17.2 - Prob. 2QCCh. 17.2 - 3. What are the three layers of the heart wall,...Ch. 17.2 - 4. What are the four main great vessels? From...Ch. 17.2 - How do the right and left ventricles differ in...
Ch. 17.2 - 6. Why do you think it is important to ensure via...Ch. 17.2 - 7. What is the overall pathway of blood flow...Ch. 17.2 - Prob. 8QCCh. 17.2 - Prob. 9QCCh. 17.2 - Prob. 10QCCh. 17.3 - How do pacemaker and contractile cells differ?...Ch. 17.3 - 2. What are intercalated discs? What is their...Ch. 17.3 - Prob. 3QCCh. 17.3 - Prob. 4QCCh. 17.3 - What is the sequence of events of a contractile...Ch. 17.3 - How does the refractory period of cardiac muscle...Ch. 17.3 - 7. What does an ECG record?
Ch. 17.3 - What are the five waves in an ECG, and what do...Ch. 17.4 - What causes the heart sounds S1 and S2?Ch. 17.4 - Prob. 2QCCh. 17.4 - Prob. 3QCCh. 17.4 - Is the end-diastolic or the end-systolic volume of...Ch. 17.4 - 5. Walk through the mechanical events of the...Ch. 17.4 - 6. Relate the ECG waves to the cardiac cycle...Ch. 17.4 - 7. How does the left ventricular pressure...Ch. 17.5 - Prob. 1QCCh. 17.5 - What is cardiac output? How does it relate to...Ch. 17.5 - Prob. 3QCCh. 17.5 - What is the Frank-Starling law, and how does it...Ch. 17.5 - What is a chronotropic agent?Ch. 17.5 - Prob. 6QCCh. 17.5 - 7. What effects does the parasympathetic nervous...Ch. 17.5 - How would a hormone that decreases the amount of...Ch. 17.5 - How is heart failure defined?Ch. 17 - 1. Mark the following statements as true or false....Ch. 17 - 2. The pericardial cavity is located between:
a....Ch. 17 - 3. Which of the following statements is true?
a....Ch. 17 - Match the following terms with the correct...Ch. 17 - Fill in the blanks: The coronary arteries are the...Ch. 17 - 6. How do pacemaker cardiac muscle cells differ...Ch. 17 - 7. Cardiac muscle cells are joined by structures...Ch. 17 - Prob. 8CYRCh. 17 - Prob. 9CYRCh. 17 - 10. The _________is the primary pacemaker of the...Ch. 17 - The AV node delay: a. allows the atria and...Ch. 17 - Explain what each of the following terms...Ch. 17 - 13. Mark the following statements as true or...Ch. 17 - Prob. 14CYRCh. 17 - 15. Fill in the blanks: The first heart sound is...Ch. 17 - Cardiac output is equal to: a. end-diastolic...Ch. 17 - Prob. 17CYRCh. 17 - 18. Which of the following statements is false?
a....Ch. 17 - 1. A birth defect called transposition of great...Ch. 17 - 2. Predict which would be more damaging to...Ch. 17 - 3. When the SA node doesn’t function properly, the...Ch. 17 - Prob. 4CYUCh. 17 - Prob. 1AYKACh. 17 - Prob. 2AYKACh. 17 - Prob. 3AYKACh. 17 - Prob. 4AYKB
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Match the terms with their descriptions. ____capillary a. filters out pathogens ____lymph node b. cardiac pacemaker ____atrium c. blood vessel with valves ____ventricle d. largest artery ____SA node e. receives blood from veins ____vein f. exchange site ____aorta g. receives blood from atriumarrow_forwardVisit this site (http://openstaxcollege.org/l/heartvalve) to observe an echocardiogram of actual heart valves opening and closing. Although much of the heart has been removed from this gif loop so the chordae tendineae are not visible, why is their presence more critical for the atrioventricular valves (tricuspid and mitral) than the semilunar (aortic and pulmonary) valves?arrow_forwardDescribe the cardiac cycle.arrow_forward
- Figure 40.10 Which of the following statements about the circulatory system is false? Blood in the pulmonary vein is deoxygenated. Blood in the inferior vena cava is deoxygenated. Blood in the pulmonary artery is deoxygenated. Blood in the aorta is oxygenated.arrow_forwardFigure 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_forward
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