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Questions and Answers
Which layer of the heart is responsible for keeping blood pumping and is involved in coronary circulation?
Which layer of the heart is responsible for keeping blood pumping and is involved in coronary circulation?
- Heart valves
- Pericardium
- Endocardium
- Myocardium (correct)
Which layer of the heart lines the chambers of the heart and forms the surface of the valves?
Which layer of the heart lines the chambers of the heart and forms the surface of the valves?
- Heart valves
- Myocardium
- Endocardium (correct)
- Pericardium
Which valve allows blood to flow from the right atrium to the right ventricle and prevents blood from backflowing?
Which valve allows blood to flow from the right atrium to the right ventricle and prevents blood from backflowing?
- Tricuspid (correct)
- Mitral
- Atrioventricular Valve
- Bicuspid
Which valve allows blood to flow from the lungs into the left atrium and prevents backflow?
Which valve allows blood to flow from the lungs into the left atrium and prevents backflow?
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Which factor increases heart rate and has a chronotropic effect?
Which factor increases heart rate and has a chronotropic effect?
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