Mr Maris Goes to the Pharmacy to Pick Up His

Mr Maris goes to the pharmacy to pick up his prescriptions following his surgery. The pharmacist tells him that one of his medications is a controlled substance. How does the pharmacist explain to Mr Maris how this medication is different from his other prescriptions?

A) Controlled drugs may only be dispensed at hospital pharmacies where high security measures are in place
B) The Narcotic Control Regulation controls which patients physicians can order narcotics for.
C) The pharmacist can control the amount and dose of drug prescribed according to the Narcotic Control Regulations
D) These drugs are regulated under the Controlled Substances and Drugs Act to reduce the availability of drugs that may be harmful if misused.