Anatomy and Physiology
Quiz 28: Heart
The Cavity of the Heart That Normally Has the Thickest
The cavity of the heart that normally has the thickest wall is the: A) right atrium. B) left atrium. C) right ventricle. D) left ventricle.
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The valve that guards the left atrioventricular orifice is called the _____ valve. A) bicuspid B) mitral C) tricuspid D) Both A and B are correct.
Which of the following is a semilunar valve? A) Aortic B) Mitral C) Tricuspid D) Bicuspid
All of the following are true statements except: A) the right coronary artery is dominant in about 50% of all hearts. B) both atria receive their blood supply from branches of the right and left coronary arteries. C) the more abundant blood supply goes to the myocardium of the left ventricle rather than the right ventricle. D) only a few connections, or anastomoses, exist between the larger branches of the coronary arteries.
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