PTA NPTE EXAM (CARDIOVASCULAR/PULMONARY) QUESTIONS WITH CORRECT ANSWERS

Apex CORRECT ANSWER lowest part of heart formed by inferolateral part of the left ventricle Base CORRECT ANSWER Upper border of heart involving the LA, RA, and proximal greater vessels Endocardium CORRECT ANSWER Endothelial tissues lining the interior chambers and valves Myocardium CORRECT ANSWER Thick Contractile Middle layer of muscle cells that form the bulk of the wall Epicardium CORRECT ANSWER Serous layer of pericardium that contains epicardial coronary arteries and veins, autonomic nerves, and lymphatics Pericardium CORRECT ANSWER Double walled connective tissue sac that surrounds the outside of the heart and the great vessels Aorta CORRECT ANSWER Largest artery and central conduit of blood from the heart to the body. Begins in the upper left ventricle, descends into the thorax (thoracic aorta), then into the abdominal cavity (abdominal aorta) Superior vena cava CORRECT ANSWER Vein returns venous blood from the head neck arms to the R atrium Inferior vena cava CORRECT ANSWER Veinr eturns blood from the lower body to RA Pulmonary Arteries CORRECT ANSWER carry deoxygenated blood to the R ventricle and L and R lungs Pulmonary veins CORRECT ANSWER Cary oxygenated blood from the lungs to the left atrium Blood Flow path CORRECT ANSWER Venous blood from Superior and Inferior vena cava enters RA, Tricuspid valve, Closes, RV contracts into pulmonary valve, trunk, then arteries to RL lungs, Oxygenated blood returns to LA, Mitral valve, LV contraction to the aortic valve, body