To explain the concepts of drug-receptor theory
To apply the law of mass action to drug receptor interactions
‘’the rate of a chemical reaction is proportional to the product of the concentration of the reactant’’
agonist - a drug that enhances the receptors natural function
antagonist - a drug that dampens the receptors natural function by sitting passively in the receptor site
To recognise concentration- and log concentration-response curves
To describe what is meant by a drug's affinity for receptors
a drug’s affinity is defined as the want for the drug to fill a specific receptor, if that want is high it will run/want to be in the receptor if it is low, it will not be attracted to it.
a low Kd value = high affinity