10 Questions
What is the property of heart cells to generate an action potential without an external stimulus?
Automaticity
What is the top chamber of the heart that receives blood from veins?
Atrium
What is the period of cardiac muscle relaxation followed by a period of contraction in the heart?
Cardiac cycle
What is the small vessel that connects arteries to veins?
Capillary
What is the thick filament with projections, a component of a sarcomere or muscle unit?
Myosin
What is the property of heart cells to rapidly conduct an action potential of electrical impulse?
Conductivity
What is the resting phase of the heart when blood is returned to the heart?
Diastole
What are vessels that take blood away from the heart and are muscular, resistance vessels?
Arteries
What is a shift in the pacemaker of the heart from the sinoatrial node to some other site?
Ectopic focus
What is the property of the plasma proteins responsible for returning fluid to the vascular system at the capillary level?
Oncotic pressure
Test your knowledge of cardiovascular system terminology with this quiz covering terms related to the heart, blood vessels, and cardiac function.
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