A nurse is reinforcing teaching with a client who is going to take guaifenesin, an expectorant, to help manage a cough. The nurse should explain that this type of medication treats coughs by which of the following mechanisms?
Stimulates and thins secretions
Suppresses the urge to cough
Reduces inflammation
Dries mucous membranes
The Correct Answer is A
A. Guaifenesin works as an expectorant by stimulating and thinning respiratory tract secretions, making it easier for the client to cough up and clear mucus from the airways.
B. Suppressing the urge to cough is the action of antitussive medications, not expectorants like guaifenesin.
C. Guaifenesin does not have significant anti-inflammatory properties; its primary action is on mucus clearance.
D. Drying mucous membranes is not the mechanism of action for guaifenesin; it focuses on facilitating mucus removal.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. DPIs require the patient to inhale quickly and deeply to effectively deliver the medication, requiring coordination of breath and inhaler activation.
B. ODPIs (often referring to pressurized metered-dose inhalers) use propellant gases, not DPIs.
C. DPIs may not be suitable for young children and infants who may have difficulty generating enough inspiratory flow to use them effectively.
D. ODPIs (if referring to other types) are not exclusively used for long-term control; their use depends on the specific medication formulation.
Correct Answer is B
Explanation
A. Sublingual medications are meant to be absorbed under the tongue and should not be administered through an NG tube, which bypasses this route of absorption.
B. Administering the medication under the tongue is the correct route for sublingual administration. It ensures that the medication is allowed to dissolve completely and is not swallowed immediately. This allows for the intended rapid absorption through the sublingual route.
C. If a client has an NG tube and needs a medication that is typically given sublingually, the nurse should administer the medication under the tongue.
D. Dissolving sublingual medication in water for NG tube administration is not appropriate as it alters the intended route of absorption.
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