ANATOMY+PHYSIOLOGY (LOOSE)-W/CONNECT
2nd Edition
ISBN: 9781259935596
Author: McKinley
Publisher: MCG
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Textbook Question
Chapter 19, Problem 3DYKB
How is blood prevented from backflowing from the pulmonary trunk into the right ventricle?
- a. closing of the right AV valves
- b. opening of the pulmonary semilunar valve
- c. contraction of the right atrium
- d. closing of the pulmonary semilunar valve
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Students have asked these similar questions
How is blood prevented from backflowing from the pulmonary trunk into the right ventricle?
a. closing of the right AV valves
b. opening of the pulmonary semilunar valve
c. contraction of the right atrium
d. closing of the pulmonary semilunar valve
Which is TRUE about isovolumetric contraction of the heart?
a. AV valves are closed; SL valves are open
b. AV and SL valves are open
c. AV valves are open; SL valves are closed
d. AV and SL valves are closed
Predict what might happen to the lungs if the left ventriclewas not able to pump blood properly.
Chapter 19 Solutions
ANATOMY+PHYSIOLOGY (LOOSE)-W/CONNECT
Ch. 19.1 - What are the potential consequences of a failing...Ch. 19.1 - Prob. 2WDYLCh. 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 - Prob. 5WDYLCh. 19.2 - Describe the three layers that cover the heart....Ch. 19.3 - Prob. 7WDYLCh. 19.3 - What are the layers of the heart (in order) that a...Ch. 19.3 - What is the structure that separates the two...Ch. 19.3 - What are the functions of the tendinous cords and...
Ch. 19.3 - Which features of cardiac muscle support aerobic...Ch. 19.3 - Which function of the fibrous skeleton allows the...Ch. 19.4 - What areas of the heart are deprived of blood when...Ch. 19.4 - Prob. 14WDYLCh. 19.5 - Prob. 15WDYLCh. 19.5 - Which autonomic division is associated with the...Ch. 19.6 - Prob. 17WDYLCh. 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. 27WDYLCh. 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. 31WDYLCh. 19.9 - Describe the atrial reflex, which involves...Ch. 19.9 - Prob. 33WDYLCh. 19.9 - Prob. 34WDYLCh. 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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- What happens when the pressure in the ventricles becomes lower than the pressure in the atria? a-the atrioventricular valves open b-the semilunar valves close c-the semilunar valves open d-the first heart sound occursarrow_forwardWhat valve is located between the left atrium and left ventricle? a-Tricuspid valve b-Bicuspid valve c-Pulmonary valve d-Aortic valvearrow_forwardWhich statement best describes Arteries? A) They have thin walls and transport blood away from the heart B) They have thick walls and transport blood toward the heart C) They have thin walls and transport blood toward the heart D) They have thick walls and transport blood away from the heartarrow_forward
- What is another name for the circulatory system? What is the function of this system?arrow_forwardA. How is the blood in the pulmonary artery and pulmonary veins different from the blood in the other arteries veins? B. Describe one SIMILARITY and one STRUCTURAL DIFFERENCE between AORTA and VENA CAVA .arrow_forwardThe heart is medial to the lungs? a. true b. falsearrow_forward
- When it comes to arteries and veins, do veins have? a) a tunica media that is missing in arteries b) thicker walls than arteries c) more smooth muscles than arteries d) valves, this is lacking in arteriesarrow_forwardWhy do arteries have thick walls of muscle and elastic fibers? a. to give more area for cholesterol to deposit b. strength and ability to expand and contract during heartbeats c. to allow blood to flow in both directionsarrow_forwardWhich statement describes how the function of the lungs relates to the function of another organ system?arrow_forward
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