KROK 1 Stomatology 2016 – Question 119 · KROK (Dentistry)
A patient during examination presents with prolongation of the II heart sound. The II heart sound occurs due to:
- A. Closure of semilunar valve
- B. Opening of semilunar valve
- C. Opening of mitral valve
- D. Opening of tricuspid valve
- E. Closure of tricuspid valve
Hint
Think about which valves slam shut at the beginning of ventricular diastole when pressure in the ventricles drops below arterial pressure.
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