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.
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Related Questions
Correct Answer is D
Explanation
A. Chilling the medication is not necessary for otic drops and could cause discomfort to the client.
B. Holding the dropper against the ear canal is not recommended as it may cause injury to the ear canal.
C. The external auditory canal should be straightened by pulling the ear upward and backward for an adult, which facilitates the drops to flow down into the ear canal.
D. Gentle pressure applied to the tragus of the ear can help in distributing the medication evenly within the ear canal.
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.
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