Answer: Yes, doctor's order is within the desired range.
Step-by-step explanation:
We need to first convert 19.8 lb to kg.
We know that 1 kg=2.20 lb
Therefore, the weight of infant=
Minimum Desired Dosage)
Maximum Desired Dosage
Since there are 24 hours in one day and the medication is ordered every 8 hours.
3 times per day doctor ordered medication
.
Total amount of Rocephin in a day750 mg ordered per day
And 750 mg is within the desired range of 675-1,350 mg
So, yes doctor has ordered a dosage within the desired range.