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NURSING MS NR509week 4 quiz.

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Week 4 Chapter 19: Heart and Neck Vessels 1. The sac that surrounds and protects the heart is called the: a. Pericardium. b. Myocardium. c. Endocardium. d. Pleural space. 2. The direction of bl... ood flow through the heart is best described by which of these? a. Vena cava right atrium right ventricle lungs pulmonary artery left atrium left ventricle b. Right atrium right ventricle pulmonary artery lungs pulmonary vein left atrium left ventricle c. Aorta right atrium right ventricle lungs pulmonary vein left atrium left ventricle vena cava d. Right atrium right ventricle pulmonary vein lungs pulmonary artery left atrium left ventricle 3. The nurse is reviewing the anatomy and physiologic functioning of the heart. Which statement best describes what is meant by atrial kick? a. The atria contract during systole and attempt to push against closed valves. b. Contraction of the atria at the beginning of diastole can be felt as a palpitation. c. Atrial kick is the pressure exerted against the atria as the ventricles contract during systole. d. The atria contract toward the end of diastole and push the remaining blood into the ventricles. 4. When listening to heart sounds, the nurse knows the valve closures that can be heard best at the base of the heart are: a. Mitral and tricuspid. b. Tricuspid and aortic. c. Aortic and pulmonic. d. Mitral and pulmonic. 5. Which of these statements describes the closure of the valves in a normal cardiac cycle? a. The aortic valve closes slightly before the tricuspid valve. b. The pulmonic valve closes slightly before the aortic valve. c. The tricuspid valve closes slightly later than the mitral valve. d. Both the tricuspid and pulmonic valves close at the same time. [Show More]

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