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Worksheetsheart anatomy
Total questions: 10
Worksheet time: 5mins
Which structure prevents the prolapse of the atrioventricular valves during ventricular contraction?
Papillary muscles
Chordae tendineae
Interventricular septum
Moderator band
What is the primary function of the chordae tendineae in the heart?
To support the structure of the heart valves
To regulate heart rate
To connect the atria to the ventricles
To prevent backflow of blood into the atria
Which part of the heart is responsible for pumping oxygenated blood to the body?
Left atrium
Right ventricle
Left ventricle
Right atrium
During which phase of the cardiac cycle do the ventricles contract?
Diastole
Systole
Isovolumetric relaxation
Isovolumetric contraction
What is the role of the aorta in the circulatory system?
To regulate blood pressure
To distribute oxygenated blood to the body
To collect blood from the body
To carry deoxygenated blood to the lungs
Which valve prevents backflow of blood from the aorta into the left ventricle?
Tricuspid valve
Mitral valve
Pulmonary valve
Aortic valve
What is the primary purpose of the septum in the heart?
To assist in blood clotting
To separate oxygenated and deoxygenated blood
To support the heart valves
To regulate heart rhythm
What is the function of the pulmonary valve in the heart?
To regulate blood flow to the lungs
To assist in the contraction of the ventricles
To separate oxygenated and deoxygenated blood
To prevent backflow of blood into the right ventricle
Which chamber of the heart receives deoxygenated blood from the body?
Left atrium
Right atrium
Left ventricle
Right ventricle
What is the primary role of the sinoatrial (SA) node in the heart?
To prevent backflow of blood
To control the contraction of the ventricles
To regulate blood pressure
To initiate the heartbeat
