Answer to Question 1
3
Rationale:
1. Giving it after the child has nausea or at the end of chemotherapy treatment does not help with preventing nausea.
2. Giving it after the child has nausea or at the end of chemotherapy treatment does not help with preventing nausea.
3. The antiemetic ondansetron (Zofran) should be administered before chemotherapy, and every four hours during the administration of chemotherapy, as a prophylactic measure.
4. It is the drug of choice for controlling nausea caused by chemotherapy agents.
Answer to Question 2
4
Rationale 1: Children with rubeola have a high temperature and a blotchy maculopapular rash. Because there is a vaccination for rubeola, it is unlikely the child has it.
Rationale 2: The rash of rubella is a pink, maculopapular rash that begins on the face and progresses downward to the trunk and extremities. The child is fully vaccinated, making this unlikely.
Rationale 3: Varicella (chickenpox) and rubella (German measles) are unlikely if the child has had all recommended immunizations.
Rationale 4: Fifth disease manifests first with a flu-like illness, followed by a red slapped-cheek sign. Then a lacy maculopapular erythematous rash spreads symmetrically from the trunk to the extremities, sparing the soles and palms.
Global Rationale:
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