Sun28November0333PM 11

Are the following true or false of opioid receptors?

True / False

Mu opioid receptors are present in the periaqueductal grey Correct

Kappa opioid receptor stimulation does not cause respiratory depression Incorrect answer selected

Are ligand gated ion channels Incorrect answer selected

Kappa opioid receptor stimulation causes analgesia Correct

Delta opioid receptor stimulation causes no respiratory depression Correct

Explanation

There are four opioid receptors:

Mu - mu opioid receptor (also known as µ-opioid peptide or MOP) is present in the brain, spinal cord and the periaqueductal grey, produces analgesia, meiosis, euphoria, respiratory depression, bradycardia, constipation

Kappa - the kappa opioid receptor (-opioid receptor or KOP) produces analgesia, sedation, miosis

Delta - the delta opioid receptor (d-opioid receptor or DOP) produces analgesia, respiratory depression

Nociceptin opioid receptor (NOP).

Opioid receptors are inhibitory G protein coupled receptors.

Answer Statistics

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Average score: 60.78%

Times answered: 231