Pharmacokinetics

Question 1

Define drug acc to who

Answer 1

Any substance or product that is used or intended to be used to modify or explore physiological systems or pathological states for the benefit of the recipient.

Question 2

Define pharmacodynamics

Answer 2

It is the branch of pharmacology that deals with the mechanism of action and the pharmacological effects of drugs

Question 3

What so you mean by pharmacokinetics

Answer 3

It is the branch of pharmacology that deals with absorption , distribution, metabolism and excretion of drug.

Question 4

Sources of drugs with examples

Answer 4

1. Natural:
   Plant source: alkaloids, glycosides, oils, resins
   Animal source: insulin, heparin
   Mineral source: ferrous sulphate, mg sulphate
   Microbial source: penicillin , streptomycin, erythromycin
2. Synthetic
   Synthetic: aspirin , paracetamol
   Semisynthetic: pethidine; tetracycline
   Recombinant dna technology: human insulin

Plant source:
alkaloids
Glycosides
Oils
Gums and mucilage
Carbohydrates
Tannins

Question 5

Short note on pharmacopioea