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os Physiology D. B or O The mitral valve ve is one of the two semilunar valves.

ID: 3480012 • Letter: O

Question

os Physiology D. B or O The mitral valve ve is one of the two semilunar valves. on A. True B. False 7. What valve keeps blood from fnowing back into the right atrium from theright ventrie A. tricuspid valve B. bicuspid valve C. mitral valve D. pulmonary semilunar valve 38. The amount of blood ejected by the ventricles per beat is termed the A. cardiac output. B. end diastolic volume. C. blood pressure. D. stroke volume. 39. The first heart sound is produced when the semilunar valves close A. True B. False 40. Systole refers to th e of the heart. A. relaxation B. filling C. contraction D. blood flow 4 Wihat part of thc beart o r A. SA node B. AV node C. Bundle of His D. Purkinje fiber 42. The T wave of the ECG represents atrial repolarization. A. True B. False 43. Cardiogenic shock can result from A. myocardial infarction. B. increased cardiac output. C. increased sympathetic outflow to the heart. D. parasympathetic antagonists. 44. Essential hypertension may result from A. high salt diet. B. decreased ADH secretion.

Explanation / Answer

36) True

37) Tricuspid valve

38) Cardiac output.

39) False

40) Contraction

41) SA node

42) True

43) Myocardial infarction

44) High salt diet