Question

A drug's functional groups can affect which of the following? (select all that apply)

A. How it is formulated

B. How often you have to take it

C. How it is administered

D. How long it takes before it reaches circulation

E. Its expiration date

Answer 1

B. How often you have to take it (Duration of action)

C. How it is administered (Route of administration)

D. How long it takes before it reaches circulation (Mechanism of action)

Functional groups are groups of atoms with distinctive chemical properties responsible for their specific behaviors when interacted with the drug and enabling it to produce the required pharmacodynamic and pharmacokinetic effects. Generally, a drug's functional groups can enhance the solubility of drug with water, its working mechanism, duration, route, interaction with particular biological targets, metabolism, elimination, suitability and ability to produce adverse effects.