Campbell Biology Concepts and Connections, Third custom edition for Orange Coast College, Includes Online Access code.
3rd Edition
ISBN: 9781323753156
Author: Simon Taylor, Hogan Dickey, Reece
Publisher: PEARSON
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Textbook Question
Chapter 23, Problem 3TYK
When the doctor listened to Janet’s heart, he heard “lub-hiss, lub-hiss” instead of the normal “lub-dup” sounds. The hiss is most likely due to _____. (Explain your answer.)
a. a defective atrioventricular (AV) valve
b. a damaged pacemaker (SA node)
c. a defective semilunar valve
d. high blood pressure
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Students have asked these similar questions
Select the best answer or answers from the choices given: Which of the following can lead to decreased venous return of blood to the heart? (a) an increase in blood volume, (b) an increase in venous pressure, (c) damage to the venous valves, (d) increased muscular activity.
Hyperkalemia or high blood potassium is associated with
a.Heart arrhythmia
b.Cardiac arrest
c.Not associated with any negative health effects
d.a, b
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 occurs
Chapter 23 Solutions
Campbell Biology Concepts and Connections, Third custom edition for Orange Coast College, Includes Online Access code.
Ch. 23 - Connecting the Concepts 1. Use the following...Ch. 23 - Prob. 2TYKCh. 23 - When the doctor listened to Janets heart, he heard...Ch. 23 - Prob. 4TYKCh. 23 - Prob. 5TYKCh. 23 - Prob. 6TYKCh. 23 - Blood flows more slowly in the arterioles than in...Ch. 23 - Which of the following is not a true statement...Ch. 23 - Trace the path of blood starting in a pulmonary...Ch. 23 - Prob. 10TYK
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- The most common disorder affecting the heart and blood vessels is ? A. arrhythmia B. Hypertension C.Aneurysm D. infarctionarrow_forwardWhy 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 tachycardiaarrow_forwardWould the relationship be the same if you had recorded the carotid pulse? Justify your answer.arrow_forward
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