Answer:
Here's what I get
Explanation:
1. Look up the meanings of the unknown abbreviations
You would be an incompetent technician if you didn't have some reference books at hand.
Suppose the prescription order said, "ampicillin susp. 400 mg p.o. q.6.h."
You would translate this as "ampicillin suspension 400 mg by mouth every six hours."
The label on your bottle of ampicillin reads, "When prepared as directed each 5 mL teaspoonful contains ampicillin trihydrate equivalent to 250 mg ampicillin
."
You must convert 400 mg to teaspoonfuls.
2. Write a conversion factor to convert milligrams to teaspoonful
s
The label says
1 tsp = 250 mg
The desired units must be in the numerator, so the conversion factor is

3. Do the calculation

Your directions to the patient would be, "Take two teaspoonfuls every six hours."