KROK 1 Stomatology 2012 – Question 92 · KROK (Dentistry)
After a serious psychoemotional stress a 48-year-old patient suddenly developed acute heart ache irradiating to the left arm. Nitroglycerine relieved pain after 10 minutes. What is the leading pathogenetic mechanism of this process development?
- A. Increase in myocardial oxygen consumption
- B. Spasm of coronary arteries
- C. Compression of coronary vessels
- D. Dilatation of peripheral vessels
- E. Obstruction of coronary vessels
Hint
Consider what a strong emotional stress does to the tone of coronary vessels via catecholamines, and why a vasodilator relieved the pain so quickly.
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