Pharmacology Flashcards
What is pharmocology
The study of drug action
What are 3 main ways of naming drugs
Chemical name
Generic name
Trade name
What are the types of drugs that produce an effect due their physiochemical property
- antacids
- osmotic diuretics
- general anaesthetic
- osmotic laxatives
- bulk laxatives
- alcohol
Give an example of antacids
Sodium bicarbonate
Give an example of bulk laxatives
Methycellulose
Give an example of osmotic laxatives
Magnesium sulfate
Give an example of osmotic diuretics
Mannitol
Give and example of general anaesthetic
Halothane
What are the 3 characteristics of a drug
- potency
- specificity : chemical and biological
- stereo selectivity
What is a high potency of a dug
When a high effect is produced even though not all the drugs are bound to a receptor
How do drugs bind a receptor
Lock and key hypothesis
What is a drug
A substance that acts on a biological system to change it
Name 3 endogenous agonist
- acetylcholine
- histamine
- TNF
Name 3 antagonist
- atropine
- anti histamine
- etanercept
What are the two quantitative pharmacology assumption
- drug+ receptor gives the effect
- number of drugs is fixed
