Respiratory Drugs and Their Effects
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Questions and Answers

Which instruction is correct for a patient taking an antihistamine?

  • Antihistamines are generally safe to take with over-the-counter (OTC) medications.
  • Take the medication on an empty stomach to maximize absorption of the drug.
  • Take the medication with food, even though doing so may slightly reduce the absorption of the drug. (correct)
  • Eat chocolate bars to ease the discomfort of dry mouth.
  • How does the antitussive dextromethorphan (Benylin DM-E®) work to suppress the cough reflex?

  • By anaesthetizing the stretch receptors
  • Through a direct action on the cough centre (correct)
  • By causing central nervous system (CNS) depression
  • By decreasing the viscosity of the bronchial secretions
  • Which antihistamine is commonly used in the treatment of motion sickness?

  • cyproheptadine hydrochloride (correct)
  • Codeine phosphate
  • Reactine®
  • Loratadine (Claritin)
  • During a routine checkup, the patient reports an inability to take the prescribed antihistamine because of one of its most common adverse effects. The physician prescribes another antihistamine, loratadine (Claritin®). What adverse effect has probably been bothering this patient?

    <p>Drowsiness (C)</p> Signup and view all the answers

    A gardener needs a decongestant because of seasonal allergy problems. Which is a benefit of orally administered decongestants?

    <p>Rebound congestion is almost nonexistent. (C)</p> Signup and view all the answers

    A patient is taking guaifenesin (Balminil®) as part of treatment of influenza. What should the nurse also instruct the patient to do?

    <p>Increase fluids to help loosen and liquefy secretions. (B)</p> Signup and view all the answers

    What systemic effect may occur with the administration of a topically applied adrenergic nasal decongestant?

    <p>Nervousness (C)</p> Signup and view all the answers

    Which drug is most likely to be chosen to aid in the removal of excessive mucus in the respiratory tract?

    <p>guaifenesin (D)</p> Signup and view all the answers

    The nurse knows that an antitussive drug is most appropriate for which patient?

    <p>A patient who has developed bronchitis 2 days after hernia repair surgery (A)</p> Signup and view all the answers

    A patient has been advised to add a nasal spray (an adrenergic decongestant) to treat a cold. What should the nurse tell the patient in regard to the nasal spray?

    <p>Administer as ordered with no increase in frequency. (B)</p> Signup and view all the answers

    Because of many reported adverse events, which groups of children should not be given cough and cold medications?

    <p>Children younger than 6 years of age (A)</p> Signup and view all the answers

    A patient is taking aminophylline intravenously for a severe exacerbation of chronic obstructive pulmonary disease. Which effect does the nurse expect to note when evaluating for a therapeutic response to the medication?

    <p>Increased ease of breathing (A)</p> Signup and view all the answers

    Which is an adverse effect associated with the use of xanthine derivatives?

    <p>Palpitations (B)</p> Signup and view all the answers

    What is the rationale for using inhaled budesonide (Pulmicort®)?

    <p>It provides an anti-inflammatory response. (B)</p> Signup and view all the answers

    A patient has been prescribed a respiratory corticosteriod medication. What should the nurse tell this patient about the proper method for taking this medication?

    <p>Rinsing of the mouth after using the inhaler is recommended. (C)</p> Signup and view all the answers

    The physician has prescribed fluticasone (Flovent®) to treat a patient's asthma. What important information should the nurse emphasize when teaching the patient about this medication?

    <p>The medication is to be taken every day on a continuous schedule, even if symptoms improve. (A)</p> Signup and view all the answers

    Which drug is used in the treatment of acute attacks of bronchial asthma?

    <p>salbutamol (Ventolin®) (D)</p> Signup and view all the answers

    A patient has prescriptions for two inhalers. One inhaler is a bronchodilator; the other is a corticosteroid. Which instruction should the nurse give the patient regarding these inhalers?

    <p>The bronchodilator should be taken first. (C)</p> Signup and view all the answers

    A patient has recently been placed on inhaled corticosteroids. Which common adverse effects should the nurse discuss with the patient?

    <p>Oral candidiasis and dry mouth (C)</p> Signup and view all the answers

    After receiving a nebulizer treatment with a ẞ-agonist, the patient reports feeling slightly nervous and wonders whether the asthma is getting worse. What is the nurse's best answer to the patient's concern?

    <p>Feeling a little nervous is an expected adverse effect. Let me take your pulse to check it. (D)</p> Signup and view all the answers

    For which condition would the nurse anticipate treatment with montelukast (Singulair®)?

    <p>Prophylaxis of asthma in children (A)</p> Signup and view all the answers

    Flashcards

    Antihistamine use with food

    Taking antihistamines with food minimizes gastrointestinal upset, even if absorption slightly decreases.

    Dextromethorphan mechanism

    Dextromethorphan (Benylin DM-E®) suppresses coughing by directly acting on the cough center in the brain.

    Motion sickness antihistamine

    Cyproheptadine hydrochloride is a common antihistamine used to treat motion sickness.

    Antihistamine drowsiness

    Drowsiness is a common side effect of older antihistamines, but loratadine (Claritin®) is a non-drowsy option.

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    Oral decongestant benefit

    Oral decongestants have a reduced risk of rebound congestion compared to topical nasal sprays.

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    Guaifenesin use

    Guaifenesin (Balminil®) is an expectorant that helps loosen and thin respiratory secretions.

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    Topical decongestant systemic effect

    Topical nasal sprays can cause nervousness, high blood pressure, and rapid heartbeat if absorbed into the bloodstream.

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    Guaifenesin function

    Guaifenesin helps remove excess mucus in the respiratory tract by loosening and thinning it, thus reducing coughing.

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    Antitussive use case

    Antitussives (cough suppressants) are useful when coughing is harmful, like after surgery, not helpful, or even undesirable.

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    Nasal spray frequency

    Nasal sprays should be used as prescribed without increasing the frequency, to prevent rebound congestion.

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    Cough and cold meds for children

    Cough and cold medications are generally not recommended for children under 6 years old due to potential adverse effects.

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    Aminophylline respiratory effect

    Aminophylline, a bronchodilator, improves breathing by relaxing respiratory muscles.

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    Xanthine derivative side effect

    Palpitations and heart rate changes are common side effects of xanthine derivatives like aminophylline.

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    Inhaled budesonide purpose

    Inhaled budesonide (Pulmicort®) reduces inflammation in the airways.

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    Inhaled corticosteroid mouth rinsing

    Rinsing the mouth after using an inhaler or nebulizer prevents fungal infections.

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    Fluticasone use

    Fluticasone is used routinely to prevent asthma attacks.

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    Acute asthma treatment

    Salbutamol (Ventolin®) is a common treatment for sudden asthma attacks.

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    Inhaler order

    Bronchodilators should be used before corticosteroids for better airway opening before corticosteroid administration.

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    Inhaled corticosteroid side effects

    Common side effects of inhaled corticosteroids include oral thrush and dry mouth.

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    Beta-agonist use nervousness

    Feeling nervous is a possible side effect of inhaled beta-agonists, as they stimulate the nervous system.

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    Montelukast use

    Montelukast (Singulair®) is used to prevent future asthma attacks, not to treat acute attacks.

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    Acute asthma drugs

    Salbutamol nebulizers, intravenous epinephrine, and aminophylline are used for immediate treatment of asthma attacks.

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    Study Notes

    Antihistamines, Decongestants, Antitussives, and Expectorants

    • Antihistamines should be taken with food to minimize gastrointestinal upset, though this slightly reduces absorption.
    • Dextromethorphan (Benylin DM-E®) suppresses coughing through direct action on the cough center.
    • Cyproheptadine hydrochloride is a common treatment for motion sickness.
    • Common adverse effect of many antihistamines is drowsiness. Loratadine (Claritin®) is a non-sedating alternative.
    • Oral decongestants have a delayed onset but less rebound congestion compared to topical ones.
    • Guaifenesin (Balminil®) is an expectorant; it helps loosen and liquefy secretions by increasing fluids.
    • Topical nasal decongestants can cause nervousness if absorbed into the bloodstream, along with hypertension or palpitations.

    Respiratory Drugs

    • Bronchodilating drugs such as xanthine derivatives cause increased ease of breathing as a therapeutic response.
    • Palpitations are a common adverse effect of xanthine derivatives.
    • Inhaled budesonide (Pulmicort®) is an anti-inflammatory that stabilizes membranes to prevent bronchoconstricting substances release.
    • Rinsing the mouth after using inhalers or nebulizers prevents fungal infections.
    • Fluticasone (Flovent®) is for asthma prophylaxis and maintenance; it should be taken regularly, even when symptoms are improving.
    • Salbutamol (Ventolin®) is a beta2-agonist used for acute asthma attacks.
    • Montelukast (Singulair®) is an antileukotriene used for long-term treatment of asthma in adults and children.
    • Corticosteroids should be taken after a bronchodilator to increase airway openness.
    • Oral candidiasis and dry mouth are possible adverse effects of inhaled corticosteroids.
    • Beta2-agonists can cause nervousness, tremors, and cardiac stimulation.
    • Inhaled corticosteroids are for asthma prophylaxis, not acute attacks.

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    Description

    This quiz covers the key concepts surrounding antihistamines, decongestants, antitussives, and expectorants in respiratory medicine. It highlights their proper use, adverse effects, and therapeutic responses. Test your knowledge on these essential pharmaceuticals and their impact on respiratory health.

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