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Questions and Answers
What is the role of the epicardium during heart development and repair?
What is the role of the epicardium during heart development and repair?
- Maintaining the heartbeat rhythm
- Regulating blood flow
- Contributing to the formation of coronary vessels (correct)
- Forming the atrioventricular valves
What key event occurs during cardiac development after the appearance of two endothelial heart tubes?
What key event occurs during cardiac development after the appearance of two endothelial heart tubes?
- Formation of atrioventricular and semilunar valves (correct)
- Appearance of dilatations on the heart tube
- Development of the arterial end
- Fusion to form a single heart tube
How does cardiac development differ in terms of genetic and environmental causes of cardiac defects?
How does cardiac development differ in terms of genetic and environmental causes of cardiac defects?
- Environmental factors are more prevalent in causing cardiac defects compared to genetic factors
- Genetic defects are more common than environmental factors in cardiac development
- Both genetic and environmental causes have equal impact throughout cardiac development
- Genetic causes play a role in early development, while environmental causes affect later stages (correct)
What significant change occurs in fetal circulation after birth?
What significant change occurs in fetal circulation after birth?
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