All of the following are actions produced by mu receptors of morphine except:-: (A) Miosis, (B) Decreased GI motility, (C) Respiratory depression, (D) Hyperalgesia
Answer is D. Actions by u(MU) receptors S sedation A analgesia C constipation R respiratory depression U euphoria M miosis u (Mu) receptors cause analgesia and not hyperalgesia (Increase sensation of pain)