ANATOMY & PHYSIOLOGY

4th Edition

ISBN: 9781264719969

Author: McKinley

Publisher: MCG

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Textbook Question

Chapter 19.6, Problem 24WDYL

What is the path of an action potential through the conduction system of the heart?

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Chapter 19.6, Problem 23WDYL

Chapter 19.6, Problem 25WDYL

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Chapter 19 Solutions

ANATOMY & PHYSIOLOGY

Ch. 19.1 - Prob. 1WDYL Ch. 19.1 - Prob. 2WDYL Ch. 19.1 - Prob. 3WDYL Ch. 19.1 - Prob. 4WDYL Ch. 19.1 - Prob. 5WDYL Ch. 19.2 - What is the bony structure that protects both the...Ch. 19.2 - Prob. 7WDYL Ch. 19.2 - Prob. 8WDYL Ch. 19.3 - Prob. 9WDYL Ch. 19.3 - Prob. 10WDYL

Ch. 19.3 - Prob. 11WDYL Ch. 19.3 - Prob. 12WDYL Ch. 19.3 - Prob. 13WDYL Ch. 19.3 - Prob. 14WDYL Ch. 19.3 - Prob. 15WDYL Ch. 19.3 - Prob. 16WDYL Ch. 19.3 - What areas of the heart are deprived of blood when...Ch. 19.3 - Prob. 18WDYL Ch. 19.4 - Prob. 19WDYL Ch. 19.5 - Prob. 20WDYL Ch. 19.5 - Which autonomic division is associated with the...Ch. 19.6 - Prob. 22WDYL Ch. 19.6 - What is autorhythmicity? Describe how nodal cells...Ch. 19.6 - What is the path of an action potential through...Ch. 19.6 - What anatomic features slow the conduction rate of...Ch. 19.7 - In which direction does Ca2+ move in response to...Ch. 19.7 - What three electrical events occur at the...Ch. 19.7 - What is the significance of the extended...Ch. 19.7 - What events in the heart are indicated by each of...Ch. 19.8 - Pressure changes that occur during the cardiac...Ch. 19.8 - What is occurring during ventricular ejection?Ch. 19.8 - Prob. 32WDYL Ch. 19.8 - Define end-diastolic volume, end-systolic volume,...Ch. 19.9 - What are the two factors that determine cardiac...Ch. 19.9 - What is the cardiac output at rest and during...Ch. 19.9 - Prob. 36WDYL Ch. 19.9 - Describe the atrial reflex, which involves...Ch. 19.9 - Prob. 38WDYL Ch. 19.9 - Prob. 39WDYL Ch. 19.10 - What would be the path of blood flow through the...Ch. 19 - Which of the following is the correct circulatory...Ch. 19 - The pericardial cavity is located between the a....Ch. 19 - How is blood prevented from backflowing from the...Ch. 19 - ____ 4. Venous blood draining from the heart wall...Ch. 19 - _____ 5. Calcium channels in the nodal cells...Ch. 19 - ____6. Action potentials are spread rapidly...Ch. 19 - Why is it necessary to stimulate papillary muscles...Ch. 19 - ____ 8. Preload is a measure of a. stretch of...Ch. 19 - ____ 9. All of the following occur when the...Ch. 19 - ____10. What occurs during the atrial reflex? a....Ch. 19 - Prob. 11DYKB Ch. 19 - Compare the structure, location, and function of...Ch. 19 - Prob. 13DYKB Ch. 19 - Explain why the walls of the atria are thinner...Ch. 19 - Describe the structure and function of...Ch. 19 - Explain the general location and function of...Ch. 19 - Describe the functional differences in the effects...Ch. 19 - Prob. 18DYKB Ch. 19 - List the five events of the cardiac cycle, and...Ch. 19 - Define cardiac output, and explain how it is...Ch. 19 - A young man was doing some vigorous exercise when...Ch. 19 - A young man was doing some vigorous exercise when...Ch. 19 - Prob. 3CAL Ch. 19 - Prob. 4CAL Ch. 19 - During surgery, the right vagus nerve was...Ch. 19 - Prob. 1CSL Ch. 19 - Prob. 2CSL Ch. 19 - Your grandfather was told that his SA node...

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