Review Flashcards
What organ, if disease is present, effects metabolism of drugs?
Liver
If liver disease is present, what is true about the dosage the patient should receive?
They require lower dose
Drugs actions and effects within the body
Pharmacodynamic
Activities of the drug after it enters the body
Study of drug absorption, distribution, metabolism and excretion
Pharmacokinetics
Factors that effect drug response
Age Weight Bender Disease (liver) Route of administration Drug use and pregnancy
Most frequent route of drug administration, rarely causes physical discomfort when taken properly
Oral
Drug route given directly into the blood via needle or catheter inserted into the vein . Drug action occurs immediately
IV
Does transdermal administration have local or systemic effect
Systemic
Does topical route have local or systemic effect
Local
Does inhalation route cause local or systemic reaction
Local
What are the classes of anti depressants
- Tricyclic antidepressant
- MAOI
- SSRI
- SNRI
- Serotonin reputable inhibitor antagonist
- Dopamine/norepinephrine trip take inhibitor
What is the general action by which antipsychotics work
Block Dopamine
How do anti convulsants work?
Reduce the excitability of neurons in the brain
What is the basic action by which local anesthetics work?
Prevent initiation of normal nerve impulses
Name 3 classes of action for NSAIDS
Analgesics
Antipyridics
Anti inflammatory
Adverse effects of long term NSAID use
GI upset,
GI bleed,
Prolonged bleeding
How do Narcotic analgesics work?
Bind to opioid receptor, altering perception and response to pain
What is the drug used to reverse the effects of narcotics
Naloxone. It is a comptitive antgonist
How do antihistamines work?
Block histamine 1 receptors
How do beta blockers work?
Block the beta receptors to decrease the heart rate
What do expectorants and mucolytics do?
Loosen and mobilize the thick sputum