KROK 1 2019 – Question 147 · KROK (Medicine) · Physiology
A 40-year-old person developed elevated blood pressure after an emotional excitement. What is the likely cause of this effect?
- A. Hyperpolarization of cardiomyocytes
- B. Increased sympathetic nervous system tone
- C. Decreased cardiac contraction frequency
- D. Arteriolar dilation
- E. Increased parasympathetic nervous system tone
Hint
Consider which branch of the autonomic outflow is activated by emotion, and how it changes heart rate, contractility and vessel calibre.
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