Answer: Option B
Explanation:
The most appropriate way to minimize nausea and vomiting which is associated with the chemotherapy is to administer 5-hydroxytryptamine -3 receptor before the chemotherapy starts.
This is done to prevent the side effects caused by chemotherapy which results in vomiting and nausea.
Whether or not the food is present in the body of child he will experience nausea and vomiting.
So, antiemetic should be given before chemotherapy in order to avoid the episodes of vomit and nausea.