Introduction To Pharmacology Flashcards
What is a Drug?
A drug is a substance that has a physiological effect on the body.
What is Drug Therapy.?
Drug Therapy is the prevent, cure , and control.
What are the four fundamental pathways?
Absorption, Distribution, Metabolism, Excretion
What are routes of drug administration?
Oral, Sublingual, Rectal, IV, Transdermal, Inhalation
What is Drug Concentration?
Drug concentration is the amount of drug in a given volume.
What are drug and receptor interactions?
Drugs interact with receptors in our body. Receptors are special proteins that respond to signals of the enzymes. Enzymes help speed up metabolism.
What is an agonist drug?
An agonist drug enhances cellular activity to allow full effect
What is an antagonist drug?
An antagonist drug blocks cellular activity.
What is a highly potent drug?
Drugs that are highly potent only require a small amount of drug to achieve their effect.
What is a lower potent drug ?
A lower potent drug requires a higher dose to achieve their effect.
What is Efficacy ?
Efficacy is the desired effect
What is Therapeutic Index ?
The Therapeutic Index represents the relationship between concentrations cause adverse effects (unpleasant reactions or feelings) and concentrations causing desired effects.
What is absorption?
Absorption is the movement of the drug from the site of administration to the site of action.
What is the maximum effect called ?
Emax
What is the EC50?
The EC50 is when the concentration is at 50% of the the maximum ?