Neusea and vomiting that are associated with administration of opioid analgesic is the result of stimulation of the_____________?
Correct answer: C. Chemoreceptor trigger zone (CTZ)
- A. Limbic system
- B. Emetic system
- C. Chemoreceptor trigger zone (CTZ)
- D. Opioid receptors in G.I.T
Explanation
Opioids stimulate the medullary chemoreceptor trigger zone, producing nausea and vomiting. Direct opioid effects on the gastrointestinal tract mainly reduce motility and cause constipation rather than serving as the primary vomiting mechanism.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? [email protected]
Practise Central Nervous System Drugs
107 free Central Nervous System Drugs MCQs from Pharmacology, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Discussion
Stuck on an option, or know a faster way to get there? Ask or explain it here.
No comments yet. Be the first to explain this one.
Exams that ask Pharmacology questions like this
Pharmacology is on 7 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.
More Central Nervous System Drugs questions
An attack of bronchial asthma is most likely to be triggered by________________?
Aspirin is avoided in children with influenza infection because of association______________?
All of the following statements about pain are correct except_____________?
A common side effect associated with all NSAID drugs is_______________?
All are true of diazapenes except____________?
Shortest acting opioid analgesic is______________?