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BOF: 3.79

 

Your house officer calls you to ask for advice. A patient on the ward has intractable nausea and vomiting following cytotoxic chemotherapy.

You advise him to teat the patient with ondansetron.

He asks you what the mechanism of action of ondansetron is. You reply that ondansetron is a:

 

a)      5 HT₃ receptor antagonist

 

b)      Dopamine receptor antagonist

 

c)      Histamine H₁ receptor antagonist

 

d)      Histamine H ₂ receptor antagonist

 

e)      Selective serotonin reuptake inhibitor

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[ Up ] [ Answer BOF 3.79 ]