A 22-year-old man is brought to the emergency department by his roommate 20 minutes after being discovered unconscious at home. On arrival, he is unresponsive to painful stimuli. His pulse is 65/min, respirations are 8/min, and blood pressure is 110/70 mm Hg. Pulse oximetry shows an oxygen saturation of 75%. his pupils are constricted and minimally responsive to light. Resuscitation efforts are initiated. The patient receives intravenous medication and regains consciousness 2 minutes later. The drug most likely used to treat this patient has the greatest affinity for which of the following receptors?

Question

A 22-year-old man is brought to the emergency department by his roommate 20 minutes after being discovered unconscious at home. On arrival, he is unresponsive to painful stimuli. His pulse is 65/min, respirations are 8/min, and blood pressure is 110/70 mm Hg. Pulse oximetry shows an oxygen saturation of 75%. his pupils are constricted and minimally responsive to light.  Resuscitation efforts are initiated.  The patient receives intravenous medication and regains consciousness 2 minutes later.  The drug most likely used to treat this patient has the greatest affinity for which of the following receptors?

Quizplus · Accepted Answer

Eductional Objective: Naloxone is a pure opioid receptor antagonist used to treat opioid intoxication or overdose.  Although it binds to mu, kappa, and delta opioid receptors, it has the greatest affinity for mu receptors (which mediate opioid-induced bradycardia and respiratory depression), making it an ideal agent for treating opioid intoxication.

A 22-Year-Old Man Is Brought to the Emergency Department by His