Answer:
1 tablet and a half.
Explanation:
1 mg is equivalent to 1/60gr
or
1 gr is equivalent to 60 mg.
Since you need to give 1/4 gr of morphine sulfate, you need to give 1/4 of 60mg. If you will calculate that, you will need to give 15 mg of morphine sulfate. Since the tablets come in 10 mg, you will need to give 1 tablet and a half.
You can also compute it this way:


Im not entirely sure, but they probably are not accurate enough (spillage etc.), whereas a syringe or another device is more contained and able to be effectively and scientifically measured, so there is less human error incorporated in the dosage amount. Hope this helps
Answer:
They are CNS (Central Nervous System) Stimulants