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21 Cards in this Set
- Front
- Back
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When histamine is released due to allergy, does it dilate or constrict arterioles and capillaries in the area?
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Dilates to increase blood flow. It causes redness seen in inflammation.
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What do you treat allergic rhinitis with? (3)
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antihistamine, decongestants, intranasal antiinflammatory agents
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Antihistamine reduces all of the following for rhinitis except sneezing, lacrimation, congestion or itching?
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congestion
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What type of anti-inflammatory agents are used for rhinitis?
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corticosteroids and cromolyn sodium
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What is the action of sympathomimetic decongestants?
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Vasoconstriction of nasal membrane, improves nasal air passage, relieves the feeling of stuffiness and obstruction
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What kind of receptors does sympathomimetic decongestants stimulate?
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alpha adrenergic receptors
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Decongestants should not be used when taking what other type of drugs?
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beta adrenergic blockers
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ephedrine
- GI track, respiratory track, cardiovascular system, or antimicrobial ? |
respiratory
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ephedrine
- antihistamine, anticoagulant, antacid, sympathomimetic decongestant? |
sympathomimetic decongestant
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side effects to report for sympathomimetic decongestants? (2)
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hypertension, rebound rhinorrhea
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Where can H1 receptors be found and what does stimulation leads to?
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bronchial muscle, muscle contractions
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Where can H2 receptors be found and what does stimulation leads to?
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stomach cells and in the heart, acid secretion and increase atrial rate
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Where can H3 receptors be found and where does stimulation leads to?
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presynaptic sites, inhibition of neurotransmitter release
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Which of the following is a side effect to antihistamine?
- dizziness, congestion, sedative effect |
sedative effect
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What type of patients is intranasal corticosteroids given to?
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those who don't respond to antihistamine or sympathomimetic agents
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Which of following is an adverse effect of intranasal corticosteroids?
- rhinorrhea, nasal burning, redness |
nasal burning
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What type of drug is cromolyn sodium (nasalcrom) and what action does it produce for the body?
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prophylactic anti-inflammatory agent, inhibits release of histamine
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which of the following does NOT belong to the category obstructive airway disease?
- asthma, chronic bronchitis, COPD, CALD |
chronic bronchitis
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Which of following are restrictive diseases?
- emphysema, COPD, chronic bronchitis, asthma |
emphysema and chronic bronchitis
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How does antitussives work? (What organ does it affect)
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cough center in the brain, the medulla
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What is the action of mucolytic agents?
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dissolves chemical bonds in mucous
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