The antiemetic drug ondansetron (Zofran) is being administered to a child receiving chemotherapy.It should be administered
1. only if the child experiences nausea.
2. after the chemotherapy has beenadministered.
3. before chemotherapy administrationas a prophylactic measure.
4. never;this antiemetic is not effectivefor controlling nausea and vomiting associated with chemotherapy.
Answer:3
Rationale: The antiemetic ondansetron (Zofran) should be administered before chemotherapy as a prophylactic measure.Giving it after the child has nausea or at the end of chemotherapy treatment does not help with preventing nausea.It is the drug of choice for controlling nausea caused by chemotherapy agents.
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