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MA279/BSC2347 Section 09 Human Anatomy and Physiology II Graded A

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MA279/BSC2347 Section 09 Human Anatomy and Physiology II Graded A The aortic valve prevents blood flowing back into the: : Left ventricle • Question 2 1 out of 1 points Which of t... he following valves are classified as “semilunar” valves? : Aortic and pulmonary valves • Question 3 1 out of 1 points What statement is true regarding the cardiac conduction system? : The electrical activity generated by the cardiac conduction system correlates to the electrocardiogram measurement. • Question 4 1 out of 1 points The contraction of the heart follows which sequence? : The atria contract together, then the ventricles contract together • Question 5 1 out of 1 points Coronary arteries branch from the ____ and provide oxygenated blood to the cardiac cells. : Aorta • Question 6 1 out of 1 points The cardiac conduction system allows for the heart to contract in a very coordinated mechanism that is dependent upon the AV node to generate the electrical impulse. : • Question 7 1 out of 1 points For the heart to contract effectively, the right side of the heart contracts while the left side of the heart fills with blood and then the left side contracts while the right side of the heart fills with blood. : • Question 8 1 out of 1 points Which of the following statements is true regarding the pathway of blood through the heart? : Blood returning to the heart from the lungs enters the left atrium. • Question 9 1 out of 1 points Blood entering the left atrium is deoxygenated. • Question 10 1 out of 1 points The normal heart resting rate is set by the SA node but the overall heart rate can be speed up due to influences by the sympathetic nervous system. : • Question 11 0 out of 1 points Which of the following is true regarding the cardiac conduction system? : The bundle of His (atrioventricular bundle) innervates the left ventricle only. • Question 12 1 out of 1 points Which statement is true regarding the circuits of the body and the heart? : The atria receive blood from the body circuits, while the ventricles pump blood to the body circuits. • Question 13 1 out of 1 points Blood entering the right atrium is deoxygenated. • Question 14 1 out of 1 points Which of the following valves are classified as “atrioventricular” valves? : Tricuspid and mitral valves • Question 15 1 out of 1 points Which statement is true regarding the heart? : The papillary muscles are attached to the chordae tendineae. [Show More]

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