Opioids Practice Questions
20 free Opioids practice questions for the Pharmacology, each with the correct answer and a detailed explanation. Open any question below, or take the full set as an interactive quiz.
Questions
20 questions
All Opioids questions
- Q1. Which of the following is the primary mechanism of action for morphine at the cellular level?
- Q2. Which opioid receptor subtype is most closely associated with supraspinal analgesia, physical dependence, and respiratory depression?
- Q3. What is the primary reason for the rapid termination of action of a single intravenous bolus of Fentanyl?
- Q4. Which of the following metabolites of Morphine is pharmacologically active and may accumulate in patients with renal failure, leading to toxicity?
- Q5. Which of the following is considered a 'pure' opioid antagonist used for the emergency reversal of opioid-induced respiratory depression?
- Q6. Buprenorphine is unique in the treatment of opioid use disorder because it acts as a:
- Q7. A patient presents with pinpoint pupils (miosis), coma, and a respiratory rate of 4 breaths per minute. This 'triad' is classic for which condition?
- Q8. Which of the following side effects of opioids does NOT typically diminish over time due to the development of tolerance?
- Q9. Methadone is used in detoxification programs primarily because it:
- Q10. Which opioid can cause pupillary dilation rather than miosis in overdose, and may trigger serotonin syndrome when combined with SSRIs?
- Q11. Loperamide is used as an antidiarrheal medication because it:
- Q12. Which opioid analgesic also acts as an inhibitor of both norepinephrine and serotonin reuptake?
- Q13. What is the mechanism of the 'itching' or pruritus often felt by patients after an injection of Morphine?
- Q14. Why is Codeine often considered a 'prodrug'?
- Q15. Which of the following is a mixed agonist-antagonist that can precipitate withdrawal in a patient already physically dependent on a full Mu-agonist?
- Q16. Which opioid is commonly used in the form of a transdermal patch for the management of chronic, severe pain?
- Q17. Opioid-induced 'chest wall rigidity' is a potential complication most commonly associated with the rapid IV administration of which drug?
- Q18. Methylnaltrexone is specifically indicated for which of the following conditions?
- Q19. Which opioid has an extremely short half-life (approx. 3-4 minutes) because it is rapidly metabolized by non-specific tissue and plasma esterases?
- Q20. The antitussive (cough suppressant) effect of drugs like Dextromethorphan is primarily achieved through which mechanism?