A Health Care Professional Who Is Advising A Patient About The Use Of An Expectorant

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A Health Care Professional Who Is Advising A Patient About The Use Of An Expectorant

to treat a cough should explain that this type of drug is effective because it performs which of the following actions? a. suppresses the cough stimulus b. reduces surface tension c. reduces inflammation d. dries mucous membranes
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b. reduces surface tension Rational: Expectorants act by reducing the surface tension of respiratory secretions. This results in thinning thick mucus, making it easier to cough out of the lungs and drain out of the nose and sinuses

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