Single correct option
The valve between the left atrium and the left ventricle of the human heart is called the
- A. tricuspid valve
- B. semilunar valve
- C. bicuspid (mitral) valve
- D. aortic valve
Show answer and solution
Answer: (C) bicuspid (mitral) valve
The bicuspid or mitral valve has two flaps and prevents backflow of blood from the left ventricle into the left atrium. The tricuspid valve guards the right side opening, and the semilunar valves lie at the exits of the aorta and the pulmonary artery. Remember that the left side has two flaps, the right has three.
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