ANATOMY & PHYSIOLOGY: AN INTEGRATIVE APP
3rd Edition
ISBN: 9781266163654
Author: McKinley
Publisher: MCG
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Textbook Question
Chapter 19, Problem 1CAL
A young man was doing some vigorous exercise when suddenly he felt chest pains just before he passed out. Upon being revived, he was taken to the hospital for examination. The medical personnel ran standard tests and ECG tracings, then said it would fine for him to resume his normal activities and workouts.
1. Why might the increase in heart rate associated with a vigorous exercise program be the cause of his becoming unconscious?
- a. increase in blood pressure throughout the body
- b. failure of the conduction system
- c. increase in return volume of blood to the heart
- d. coronary blood flow reduction due to tachycardia
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Chapter 19 Solutions
ANATOMY & PHYSIOLOGY: AN INTEGRATIVE APP
Ch. 19.1 - Prob. 1LOCh. 19.1 - WHAT DID YOU LEARN?
1 Define perfusion. Why would...Ch. 19.1 - Prob. 2LOCh. 19.1 - LEARNING OBJECTIVE
3. Describe the general...Ch. 19.1 - WHAT DO YOU THINK?
1 What vessels attached to the...Ch. 19.1 - Prob. 2WDLCh. 19.1 - Prob. 3WDLCh. 19.1 - Prob. 4WDLCh. 19.1 - Prob. 5WDLCh. 19.1 - Prob. 4LO
Ch. 19.1 - What path does blood follow through the heart?...Ch. 19.1 - Which of the great vessels is both an artery and...Ch. 19.2 - LEARNING OBJECTIVE
5. Describe the location and...Ch. 19.2 - Prob. 8WDLCh. 19.2 - Prob. 9WDLCh. 19.2 - Prob. 6LOCh. 19.2 - Prob. 7LOCh. 19.2 - Describe the three layers that cover the heart....Ch. 19.3 - LEARNING OBJECTIVE
8. Compare the superficial...Ch. 19.3 - Prob. 11WDLCh. 19.3 - Prob. 12WDLCh. 19.3 - Prob. 13WDLCh. 19.3 - Prob. 9LOCh. 19.3 - What are the layers of the heart (in order) that a...Ch. 19.3 - Prob. 10LOCh. 19.3 - What is the structure that separates the two...Ch. 19.3 - Prob. 16WDLCh. 19.3 - Prob. 11LOCh. 19.3 - What are the functions of the tendinous cords and...Ch. 19.3 - Prob. 12LOCh. 19.3 - Which function of the fibrous skeleton allows the...Ch. 19.3 - Prob. 13LOCh. 19.3 - Prob. 14LOCh. 19.3 - Prob. 15LOCh. 19.3 - Which features of cardiac muscle support aerobic...Ch. 19.4 - Prob. 16LOCh. 19.4 - Prob. 17LOCh. 19.4 - Prob. 18LOCh. 19.4 - Prob. 2WDTCh. 19.4 - What areas of the heart are deprived of blood when...Ch. 19.4 - Prob. 19LOCh. 19.4 - Prob. 21WDLCh. 19.5 - Prob. 20LOCh. 19.5 - Prob. 22WDLCh. 19.5 - Prob. 21LOCh. 19.5 - Which autonomic division is associated with the...Ch. 19.6 - LEARNING OBJECTIVE
22. Describe a nodal cell at...Ch. 19.6 - Prob. 24WDLCh. 19.6 - Prob. 23LOCh. 19.6 - Prob. 24LOCh. 19.6 - Prob. 3WDTCh. 19.6 - What is autorhythmicity? Describe how nodal cells...Ch. 19.6 - Prob. 25LOCh. 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 - Prob. 26LOCh. 19.7 - In which direction does Ca2+ move in response to...Ch. 19.7 - Prob. 27LOCh. 19.7 - Prob. 28LOCh. 19.7 - Prob. 4WDTCh. 19.7 - What three electrical events occur at the...Ch. 19.7 - Prob. 29LOCh. 19.7 - Prob. 30LOCh. 19.7 - What is the significance of the extended...Ch. 19.7 - Prob. 31LOCh. 19.7 - What events in the heart are indicated by each of...Ch. 19.8 - Prob. 32LOCh. 19.8 - Prob. 33LOCh. 19.8 - Pressure changes that occur during the cardiac...Ch. 19.8 - Prob. 34LOCh. 19.8 - Prob. 35LOCh. 19.8 - What is occurring during ventricular ejection?Ch. 19.8 - Prob. 34WDLCh. 19.8 - Define end-diastolic volume, end-systolic volume,...Ch. 19.9 - Prob. 36LOCh. 19.9 - Prob. 37LOCh. 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. 38LOCh. 19.9 - Prob. 39LOCh. 19.9 - Prob. 38WDLCh. 19.9 - Describe the atrial reflex, which involves...Ch. 19.9 - Prob. 40LOCh. 19.9 - Prob. 41LOCh. 19.9 - Prob. 40WDLCh. 19.9 - Prob. 42LOCh. 19.9 - Prob. 41WDLCh. 19.10 - Prob. 43LOCh. 19.10 - Prob. 44LOCh. 19.10 - Prob. 42WDLCh. 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. 11DYBCh. 19 - Compare the structure, location, and function of...Ch. 19 - Prob. 13DYBCh. 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. 18DYBCh. 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. 3CALCh. 19 - Prob. 4CALCh. 19 - During surgery, the right vagus nerve was...Ch. 19 - Prob. 1CSLCh. 19 - Prob. 2CSLCh. 19 - Your grandfather was told that his SA node...
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