Human Anatomy & Physiology Plus Mastering A&P with Pearson eText -- Access Card Package (2nd Edition) (What's New in Anatomy & Physiology)
2nd Edition
ISBN: 9780134702339
Author: Erin C. Amerman
Publisher: PEARSON
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Textbook Question
Chapter 17.4, Problem 7QC
How does the left ventricular pressure correlate with the opening and closing of the mitral and aortic valves?
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Chapter 17 Solutions
Human Anatomy & Physiology Plus Mastering A&P with Pearson eText -- Access Card Package (2nd Edition) (What's New in Anatomy & Physiology)
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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- Pressure changes that occur during the cardiac cycle are responsible for what two physiologic processes within the heart?arrow_forwardWhich chamber has higher pressure during the following phases of the cardiac cycle? a) ventricular ejection, b) isovolumic ventricular relaxation, c) atrial and ventricular diastole, d) isovolumic ventricular contraction. Why?arrow_forwardThe left AV valve has only two large leaflets, while the right AV valve has three smaller leaflets. It is a general principle of physiology that structure is a determinant of—and has coevolved with—function. Although it is unknown why the two valves differ in structure in this way, what difference in the functional demands of the left side of the heart might explain why there is one less valve leaflet than on the right side?arrow_forward
- What pressure changes cause the closing of the AV valves and the opening of the semilunar valves?arrow_forwardHow does each ECG wave, interval, and segment relate to contraction (systole) and relaxation (diastole) of the atria and ventricles?arrow_forwardWhat is the change in intraventricular pressure between the time the first heart sound begins and thetime it ends?arrow_forward
- What are the mechanisms that assist in returning venous blood to the heart?arrow_forwardDoes the right ventricular stroke work index (RVSWI) measure the amount of work required by the right ventricle to pump blood? How?arrow_forwardWhat anatomic features slow the conduction rate of the action potential as it passes through the AV node? What is the function of this delay?arrow_forward
- Which valves are present on the right side of the heart? Which valves are present on the left side of the heart? What chambers do the left side of the heart and right side of heart regulate?arrow_forwardWhich component of the conducting system is located in thefloor of the right atrium, between the right AV valve and thecoronary sinus opening?arrow_forwardDuring the isovolumetric relaxation phase of ventricular diastole: O a) Both ventricular volume and ventricular pressure decrease O b) Both ventricular volume and ventricular pressure increase O c) Ventricular volume and ventricular pressure remain constant O d) Ventricular volume remains constant but ventricular pressure decreasesarrow_forward
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