22. Which of the following are involved directly in pulmonary circulation? A.Left ventricle, aorta, and inferior vena cava B.Right atrium, aorta, and left ventricle C.Superior vena cava, right atrium, and left ventricle D.Right ventricle, pulmonary artery, and left atrium
Answer: Option D Solution: The pulmonary circulation is the portion of the circulatory system which carries deoxygenated blood away from the right ventricle, to the lungs, and returns oxygenated blood to the left atrium and ventricle of the heart.
