The right coronary artery supplies oxygenated blood to the right atrium, portions of both ventricles, and the heart conduction system. True False
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Question 13 Which of the following does NOT empty into the right atrium? The right and left pulmonary veins, the Inferior vena cava, the superior vena cava, the coronary sinus. Question 14 Which of the following is NOT true of the coronary circulation? The left coronary artery branches into the anterior interventricular artery and the circumflex artery. The coronary arteries deliver blood to the heart tissue during ventricular diastole. The left ventricle receives most of the blood supply.
Suman K.
The apex is the superior part of the heart and the base is the inferior part. The apex of the heart rests on the diaphragm. (True) or (false) Deoxygenated blood is high in carbon dioxide and low in oxygen. Oxygenated blood is high in oxygen and low in carbon dioxide. Which branches of the left coronary artery lie in the anterior interventricular sulcus? Circumflex artery Left marginal artery. Right anterior interventricular artery Left anterior interventricular artery. The pulmonary trunk is the major artery leaving the right ventricle. Like all arteries, it carries deoxygenated blood. (True) or (False) The aorta and pulmonary trunk are elastic (conducting) arteries. Which wall layers of the aorta and pulmonary trunk contain an abundance of elastic tissue allowing them to withstand the pressure as blood is ejected from the ventricles? Tunica media Tunica intima Tunica externa The superior and inferior vena cava return deoxygenated blood from the body to the right atrium. (True) or (false) The fossa ovalis is the remnant of the foramen ovale in the fetal heart. (True) or (false) The coronary sinus is located on the posterior of the heart. (True) or (false) The coronary veins return deoxygenated blood from the cardiac veins to the right atrium. The function of valves is to prevent backflow. Which valve is located between the right atrium and the right ventricle? Tricuspid valve Bicuspid valve Pulmonary semilunar valve What type of valve is located between the left ventricle and the aorta? Semilunar Atrioventricular When comparing the thickness of the heart wall between the right and left ventricles, the left ventricle has the thicker wall.
Adi S.
QUESTION 8 The 2 branches of the right coronary artery are the circumflex artery and the right marginal artery. True False QUESTION 9 Which of the following statements accurately defines parietal pericardium? A. serous membrane that lines the inside of the mediastinum B. small potential space located between the two layers of the serous pericardium C. serous membrane that covers the outer surface of the heart D. serous membrane that lines the inside of the pericardial sac E. serous membrane that covers the outside of the pericardial sac QUESTION 10 Which of the following blood vessels does not drain into the right atrium? A. inferior vena cava B. pulmonary vein C. coronary sinus D. superior vena cava
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