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eart results in all the following СЕРТ: o a. Increase cardiac contractility. O b. Increase Na+ leakage in the

eart results in all the following СЕРТ: o a. Increase cardiac contractility. O b. Increase Na+ leakage in the

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Sympathetic stimulation to the heart results in all the following EXCEPT: a. Increase cardiac contractility. O b. Increase Na+ leakage in the sinoatrial nodal cells. O C. Positive inotropic effect o d. Increase in cardiac cycle duration. O e. Positive chronotropic effect. Regarding the cardiac cycle, all the following are true EXCEPT: O a. At rest systolic time is shorter than diastolic time. O b. Atrial contraction is essential for life. O c. Duration of diastole decreases more than duration of systole upon tachycardia. O d. Aortic pressure is highest during late systole. e. It lasts 0.5 second when heart rate is 120 beat/min.
Transcribed Image Text:Sympathetic stimulation to the heart results in all the following EXCEPT: a. Increase cardiac contractility. O b. Increase Na+ leakage in the sinoatrial nodal cells. O C. Positive inotropic effect o d. Increase in cardiac cycle duration. O e. Positive chronotropic effect. Regarding the cardiac cycle, all the following are true EXCEPT: O a. At rest systolic time is shorter than diastolic time. O b. Atrial contraction is essential for life. O c. Duration of diastole decreases more than duration of systole upon tachycardia. O d. Aortic pressure is highest during late systole. e. It lasts 0.5 second when heart rate is 120 beat/min.
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