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pharm final respir

Name 2 goals of respiratory drug therapy improve airflow and improve gas exchange
What do bronchodilators do? Relax smooth muscle of bronchi to open airways and improve airflow and gs exchange -They mimick sympathetic nervous system action which can make people feel jittery
Example of bronchodilator albuterol, salmeterol, montelukast
Why are corticosteroids used in respiratory conditions? To decrease swelling and inflammation in the airways
Examples of corticosteroids predisone, fluticasone, mometacone
How do antihistamines work? Block the effects of histamines released by mast cells in an allergic reaction. Histamines cause vasodilation in the mucous membranes which causes them to swell, decreasing the inside lumen of the airway
What are antihistamines used for? to treat allergies and inflammation from allergies
Examples of antihistamines allegra, Zyrtec, benadryl
How do decongestants work? Cause vasoconstriction in the nasal mucosa which decreases the size of the mucous membranes, decreasing swelling and opens nasal passages
Example of decongestants Pseudoephedrine (Sudafed)
What is the mechanism of action of antitussives? Raise the cough threshold in the cough center in the brain decreasing the frequency and intensity of a cough
What is the name of a Narcotic antitussive codeine
What is a non-narcotic antitussice dextromethophan
How do expectorants work? Loosen mucus so its easier to cough up and out
What is the universal color for oxygen green
Created by: lecopple1