ANATOMY & PHYSIOLOGY
4th Edition
ISBN: 9781264719969
Author: McKinley
Publisher: MCG
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Chapter 19, Problem 9DYKB
____ 9. All of the following occur when the ventricles contract except
- a. the AV valves close.
- b. blood is ejected into the aorta.
- c. the semilunar valves open.
- d. blood from the pulmonary trunk enters the atria.
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All of the following occur when the ventricles contract except a. the AV valves close. b. blood is ejected into the aorta. c. the semilunar valves open. d. blood from the pulmonary trunk enters the atria.
When the ventricles contract, all of the following occur excepta. closing of the AV valves.b. blood ejecting into the pulmonary trunk and aorta.c. closing of the semilunar valves.d. opening of the semilunar valves.
Refer to the figure of the pressures in the cardiac cycle on the right side. Letters indicate time points and numbers indicate 2 different pressures. The pressure indicated by line #1 (in green) is....
A. Atrial pressure
B. Pulmonary trunk/artery pressure
C. Aortic pressure
D. Ventricular pressure
Chapter 19 Solutions
ANATOMY & PHYSIOLOGY
Ch. 19.1 - Prob. 1WDYLCh. 19.1 - Prob. 2WDYLCh. 19.1 - Prob. 3WDYLCh. 19.1 - Prob. 4WDYLCh. 19.1 - Prob. 5WDYLCh. 19.2 - What is the bony structure that protects both the...Ch. 19.2 - Prob. 7WDYLCh. 19.2 - Prob. 8WDYLCh. 19.3 - Prob. 9WDYLCh. 19.3 - Prob. 10WDYL
Ch. 19.3 - Prob. 11WDYLCh. 19.3 - Prob. 12WDYLCh. 19.3 - Prob. 13WDYLCh. 19.3 - Prob. 14WDYLCh. 19.3 - Prob. 15WDYLCh. 19.3 - Prob. 16WDYLCh. 19.3 - What areas of the heart are deprived of blood when...Ch. 19.3 - Prob. 18WDYLCh. 19.4 - Prob. 19WDYLCh. 19.5 - Prob. 20WDYLCh. 19.5 - Which autonomic division is associated with the...Ch. 19.6 - Prob. 22WDYLCh. 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. 32WDYLCh. 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. 36WDYLCh. 19.9 - Describe the atrial reflex, which involves...Ch. 19.9 - Prob. 38WDYLCh. 19.9 - Prob. 39WDYLCh. 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. 11DYKBCh. 19 - Compare the structure, location, and function of...Ch. 19 - Prob. 13DYKBCh. 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. 18DYKBCh. 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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- The tricuspid valve lies between the A. Right atrium and the right ventricle B. Left ventricle and the aorta C. Right ventricle and the pulmonary artery D. Left atrium and the left ventriclearrow_forwardThe onset of Ventrieular diastole is associated with: A. the closing of the aortiC valve B. the ejection of blood from the ventricles C. the opening of the atrio-ventricular (AV) valves D. the first heart soundarrow_forwardAll of the following mechanisms assist in returning venous blood to the heart except: a. an increase in heart rate b. pressure changes in the abdominal and thoracic cavities due to breathing c. contraction of skeletal muscles in the legs d. one-way valves located inside veinsarrow_forward
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- Match the following: ? Myocardium ? Parietal Pericardium ? Endocardium ? Visceral pericardium A. Heart muscle B. The inner lining of the heart C. Serous layer covering the heart muscle D. The outer layer of the serous pericardiumarrow_forwardValve regurgitation is yet another condition causing heart failure. This condition is characterized by _________________. 1)the hardening of a valve, narrowing the opening that serves as a passage of blood. 2) a valve that everts back into the previous chamber, blockig blood from progressing into the ventricle. 3) a valve that does not close completely, and allows blood to leak back into the previous chamber. 4)a valve with an opening that is too narrow, not allowing for sufficient blood to travel to the next chamber.arrow_forwardIndicate the corect statement: A. the arteries of the heart are called coronary because they supply the apex like a "crown" B. the right and left coronary arteries arise from the semilunar valves at the level of the aortic conus C. the right coronary artery gives off an AV nodal artery which enters the posterior part of the atrioventricular sulcus D. the interventricular septum is supplied by septal arteries or perforating branches of the atrial arteries E. atripventricular and ventriculo-atrial arteries are branches of the coronary arteries that supply the pericardium and its expansion to the great vesselsarrow_forward
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