KROK 1 2009 – Question 24 · KROK (Medicine) · Physiology

The minute blood volume in a patient with transplanted heart has increased as a result of physical activity. What regulative mechanism is responsible for these changes?

  1. A. Parasympathetic conditioned reflexes
  2. B. Sympathetic conditioned reflexes
  3. C. Catecholamines
  4. D. Parasympathetic unconditioned reflexes
  5. E. Sympathetic unconditioned reflexes
Hint

A transplanted heart is cut off from its nerves, so think about which regulatory pathway can still reach it during exercise.

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