Actions of Medications

Question 1

Agonist

Answer 1

drug that produces a response

Question 2

Antagonist

Answer 2

drug that blocks or weakens the effect of a response

Question 3

Synergist

Answer 3

a drug that potentiates or enhances the effect of another substance (1 + 1 = 3 )
- mechanism of action of drugs differ
- Example: codeine + aspirin  increased pain relief

Question 4

Additive

Answer 4

The combined effect produced by the action of two or more agents, being the sum of their separate but similar effects (1 + 1 = 2)
- Example: alcohol + sedative  increased sedation