[{"id":1072785,"question":"Which artery supplies blood to the kidneys.","choices":[{"text":"Heptaic artery","value":"A"},{"text":"Renal artery","value":"B"},{"text":"Femoral artery","value":"C"},{"text":"Cornary artery","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":1072784,"question":"Oxygenated blood is pumped from the left ventricle into the.","choices":[{"text":"Superior vena cava","value":"A"},{"text":"Aorta","value":"B"},{"text":"Pulomonary artery","value":"C"},{"text":"Hepatic vein","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":1072783,"question":"Most veins carry deoxygenated blood towards the heart. Which of the following is exception.","choices":[{"text":"Renal veins","value":"A"},{"text":"Hepatic veins","value":"B"},{"text":"Pulmonary veins","value":"C"},{"text":"Vena cava","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":1072782,"question":"Capillaries unite to form small veins called.","choices":[{"text":"Endothelium","value":"A"},{"text":"Epithelium","value":"B"},{"text":"Vena cave","value":"C"},{"text":"Venules","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":1072779,"question":"Small blood vessels are.","choices":[{"text":"Arteries","value":"A"},{"text":"Veins","value":"B"},{"text":"Capillaries","value":"C"},{"text":"Aorta","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":1072778,"question":"The hollow internal cavity of a blood vesel through which blood flowis called ","choices":[{"text":"spetum","value":"A"},{"text":"Lumen","value":"B"},{"text":"Valve","value":"C"},{"text":"Pericardium","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":1072777,"question":"The middle layer of an arterial wall is primarily compose dof.","choices":[{"text":"Endothelium","value":"A"},{"text":"Connective tissue","value":"B"},{"text":"Smooth muscles and elastic tissues","value":"C"},{"text":"Skeletal muscle","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":1072776,"question":"\"Lubb\" sound is produced during.","choices":[{"text":"Diastole","value":"A"},{"text":"Systole","value":"B"},{"text":"Systemic circulation","value":"C"},{"text":"Pulmonary circulation","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":1072775,"question":"What is teh average heart rate of a healthy adult human.","choices":[{"text":"60 times per minute","value":"A"},{"text":"70 times per minute","value":"B"},{"text":"80 times per minute","value":"C"},{"text":"100 times per minute","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":1072774,"question":"The \"dubb\" sound of the heart beat is produced by the closing of the","choices":[{"text":"Tricuspid","value":"A"},{"text":"Bicuspid valves","value":"B"},{"text":"semilunar","value":"C"},{"text":"Closed valves","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":1072773,"question":"the alternating contraction and relaxation of heart chambers is called.","choices":[{"text":"Heart failure","value":"A"},{"text":"Heart beat","value":"B"},{"text":"Systole","value":"C"},{"text":"Diastole","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":1072772,"question":"The flow of blood from heart to body tissues and then from body tissues to heart is called.","choices":[{"text":"pulmonary circulation ","value":"A"},{"text":"Coronary circulation ","value":"B"},{"text":"Systemic circulation","value":"C"},{"text":"Diastole","value":"D"},{"value":"E"}],"correctAnswer":3}]