
Pharmacodynamic of drug
Pharmacodynamic: It is a branch of pharmacology that deals with the mechanism of action and pharmacological effects of a drug. Four targets of drug action (target proteins): Types Membrane receptor: cholinergic receptors Cytoplasmic receptor: steroid receptors Nuclear receptor: thyroid receptors Active receptor: adrenoceptors (1-2%) Silent receptor: plasma protein Spare receptor: (98%) Receptor mediated mechanism:…