#1
Which chamber of the heart receives deoxygenated blood from the body?
#2
Which of the following is NOT a function of the cardiovascular system?
#3
Which of the following is responsible for the electrical stimulation of the heart muscle?
#4
What is the term for the relaxation phase of the cardiac cycle?
#5
Which of the following structures is responsible for preventing the backflow of blood from the left ventricle into the left atrium?
#6
What is the term for the volume of blood in the ventricles at the end of diastole, before the next contraction?
#7
During which phase of the cardiac cycle does ventricular contraction occur?
#8
What is the term for the network of specialized cells that conducts electrical impulses through the heart?
#9
Which of the following arteries supplies oxygen-rich blood to the heart muscle itself?
#10
Which of the following hormones increases heart rate and force of contraction?
#11
What is the term for the volume of blood pumped out by each ventricle in one minute?
#12
Which of the following factors can decrease heart rate?
#13
What condition results from a blockage in the coronary arteries, leading to reduced blood flow to the heart muscle?
#14
Which of the following statements regarding the Frank-Starling mechanism is correct?
#15
Which of the following conditions is characterized by the accumulation of fluid in the lungs due to impaired cardiac function?
#16