#1
Which chamber of the heart receives deoxygenated blood from the body?
#2
Which structure divides the left and right sides of the heart?
#3
Which layer of the heart wall is responsible for muscular contractions?
#4
Which of the following vessels carries oxygenated blood away from the heart?
#5
Which of the following vessels carries deoxygenated blood from the heart to the lungs?
#6
What is the function of the sinoatrial (SA) node in the heart?
#7
Which valve separates the left atrium from the left ventricle?
#8
Which artery supplies oxygenated blood to the heart muscle itself?
#9
During which phase of the cardiac cycle does the ventricle begin to relax?
#10
Which of the following structures prevents the backflow of blood from the aorta into the left ventricle?
#11
What is the term for the volume of blood pumped out by each ventricle per minute?
#12
Which part of the conduction system of the heart is known as the 'pacemaker'?
#13
What is the term for the volume of blood remaining in the ventricle at the end of diastole?
#14
Which coronary artery primarily supplies blood to the posterior part of the interventricular septum?
#15