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 C
Explanation
Rationales:
A. Pulling the auricle upward and backward is not recommended for administering eardrops to a child as it does not facilitate proper alignment of the ear canal.
B. Pulling the auricle upward and outward is appropriate when administering eardrops to clients >3years old helps straighten the ear canal, allowing for proper administration of the medication into the ear canal for effective treatment.
C. According to the American Academy of Pediatrics, for children under the age of 3, the correct method is to gently pull the outer flap of the affected ear downward and backward. This maneuver helps to straighten the ear canal, allowing the eardrops to flow down into the canal properly.
D. Pulling the auricle down and outward is not recommended for administering eardrops to a child as it does not facilitate proper alignment of the ear canal.
Correct Answer is B
Explanation
Instilling the ophthalmic medication directly on the client's cornea is incorrect and could cause discomfort or injury.
B. Applying gentle pressure to the client's nasolacrimal duct after instillation helps to reduce systemic absorption of the medication and minimize side effects.
C. Cleaning the client's eye from the outer canthus to the inner canthus is unnecessary and not a recommended procedure before instillation.
D. Asking the client to tightly squeeze their eyes shut after instillation may not affect the absorption of the medication and is not necessary.
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