8 Questions
What causes the first heart sound?
Opening of AV valves
What is the cause of a swishing sound in the heart due to valvular disease?
Stiff and narrowed valves
When does a murmur throughout diastole indicate stenotic tricuspid or mitral valve?
Throughout diastole
Which term refers to the thick, membranous sac that surrounds the heart?
Pericardium
What is the term for the specialized cardiac muscle cells of the heart?
Myocardium
Which layer of the serous pericardium surrounds the heart as the innermost layer?
Visceral layer (Epicardium)
What can occur if the coronary arteries supplying blood to the myocardium are occluded by atherosclerosis and/or thrombosis?
Angina pectoris or myocardial infarction
Which part of the heart is responsible for pumping blood through the blood vessels by repeated, rhythmic contractions?
Myocardium
Test your knowledge of the cardiovascular system with this quiz focused on blood physiology, the heart, and related concepts in human physiology.
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