pharm final respir
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each of the black spaces below before clicking
on it to display the answer.
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Name 2 goals of respiratory drug therapy | improve airflow and improve gas exchange
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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
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Example of bronchodilator | albuterol, salmeterol, montelukast
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Why are corticosteroids used in respiratory conditions? | To decrease swelling and inflammation in the airways
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Examples of corticosteroids | predisone, fluticasone, mometacone
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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
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What are antihistamines used for? | to treat allergies and inflammation from allergies
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Examples of antihistamines | allegra, Zyrtec, benadryl
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How do decongestants work? | Cause vasoconstriction in the nasal mucosa which decreases the size of the mucous membranes, decreasing swelling and opens nasal passages
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Example of decongestants | Pseudoephedrine (Sudafed)
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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
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What is the name of a Narcotic antitussive | codeine
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What is a non-narcotic antitussice | dextromethophan
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How do expectorants work? | Loosen mucus so its easier to cough up and out
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What is the universal color for oxygen | green
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