KROK 1 Stomatology 2016 – Question 61 · KROK (Dentistry)
After a serious psychoemotional stress a 48-year-old patient suddenly developed acute heart ache irradiating to the left arm. Nitroglycerine relieved the pain attack after 10 minutes. What is the leading pathogenetic mechanism of this process development?
- A. Increase in myocardial oxygen consumption
- B. Dilatation of peripheral vessels
- C. Spasm of coronary arteries
- D. Obstruction of coronary vessels
- E. Compression of coronary vessels
Hint
Consider how acute emotional stress affects coronary vascular tone, and why the pain was relieved quickly by a vasodilator.
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