COMPLETE QUESTIONS AND VERIFIED
SOLUTIONS GRADED A+
⩥ Which layer of the heart allows it to act as a pump?.
Answer:Myocardium
⩥ What is the apex of the heart?. Answer:The tip of the heart, pointing
down towards the left 5th intercostal space.
⩥ Which layer of the heart wall contains the epicardium?.
Answer:Pericardium
⩥ What surrounds the heart?. Answer:Pericardium
⩥ What is related to the mitral valve (tricuspid valve)?. Answer:Bicuspid
valve
⩥ Which of the following contains oxygenated blood?. Answer:Left
Atrium, Pulmonary veins, Aorta
⩥ Which of the following contains deoxygenated blood?.
Answer:Superior Vena Cava, Right Atrium, Pulmonary Arteries
, ⩥ What supplies oxygenated blood to the heart muscle?.
Answer:Coronary Arteries
⩥ Which layer of the heart contains actin, myosin, and troponin?.
Answer:Myocardium
⩥ Which valves are open during atrial systole?. Answer:Tricuspid Mitral
⩥ What is true of blood leaving the tissues and traveling towards the
right atrium?. Answer:Oxygen poor, carbon dioxide rich
⩥ Valve that prevents backflow of blood into the left ventricle when the
left ventricle is in diastole?. Answer:Aortic
⩥ The aorta receives blood from what structure?. Answer:Left ventricle
⩥ Which vessel carries blood from the pulmonary capillaries to the left
atrium?. Answer:Pulmonary veins
⩥ Which cavity of the heart first receives unoxygenated blood from the
vena cava?. Answer:Right atrium