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Chapter 17- Opioid Antagonists

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Chapter 17- Opioid Antagonists

 

Complete Chapter Questions With Answers

 

Sample Questions Are Posted Below

 

1. Which of the following are true in regards to opioid antagonist? Select all that apply:
  A) An opioid antagonist has greater affinity for opioid receptors than do opioid agonists.
  B) An opioid antagonist has lesser affinity for opioid receptors than do opioid agonists.
  C) An opioid antagonist prevents a response to the opioid by binding to opioid agonists in the bloodstream.
  D) An opioid antagonist prevents a response to the opioid by binding to opioid receptors.
  E) An opioid antagonist potentiates the effect of an opioid.

 

2. Which of the following would a nurse most likely be ordered to give to a client experiencing opioid-induced respiratory depression? Select all that apply:
  A) Naloxone (Narcan)
  B) Nalmefene (Revex)
  C) Naltrexone (Depade)
  D) Naproxen (Naprosyn)
  E) Nitroglycerin (Nitrostat)

 

3. Which of the following represent the mechanism by which opioid antagonists reverse the effects of opioid agonists? Select all that apply:
  A) Competitive inhibition of the opioid receptor
  B) Direct binding to the opioid agonist
  C) Displacement of the opioid agonist from the opioid receptor
  D) Irreversible inhibition of the opioid receptor
  E) Mutation of the opioid receptor

 

4. An opioid antagonist will reverse which of the following opioid effects? Select all that apply:
  A) Respiratory depression
  B) Constipation
  C) Analgesia
  D) Hypotension
  E) Bradycardia

 

5. A client has just returned from the OR with orders from the physician for nalmefene (Revex) 0.25 mcg/kg. The client weighs 150 lb. How many mcg of nalmefene should the client receive?

 

6. Nalmefene (Revex) will reverse the effects of which of the following drugs? Select all that apply:
  A) Oxycodone (OxyContin)
  B) Alprazolam (Xanax)
  C) Phenytoin (Dilantin)
  D) Digoxin (Lanoxin)
  E) Morphine sulfate (Oramorph)

Answer Key

 

1. A, D
2. A, B
3. A, C
4. A, B, C, D, E
5. 17 mcg
6. A, E

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