KROK 1 2019 – Question 61 · KROK (Medicine) · Physiology

Human brain produces endogenous peptides that are similar to morphine and can reduce pain perception. Name these peptides:

  1. A. Oxytocin
  2. B. Statins
  3. C. Vasopressin
  4. D. Liberins
  5. E. Endorphins
Hint

Think about which brain peptides occupy the same receptors that morphine does, and so form the body's own pain-suppressing system.

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