Which one of the following valves guards the opening between the right ventricle and the pulmonary artery?
- A. Bicuspid valve
- B. Semilunar valve ✓
- C. Mitral valve
- D. Tricuspid valve
Correct Answer: B. Semilunar valve
Explanation
The pulmonary semilunar valve guards the opening between the right ventricle and the pulmonary artery, preventing backflow of blood.
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