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2 weeks ago
A critically ill patient with a diagnosis of ventilator-associated pneumonia has been administered acetylcysteine by inhalation. The critical care nurse knows that this medication helps to liquefy secretions in the respiratory tract by
A)increasing the osmolality of mucus.
B)decreasing the osmolality of mucus
C)breaking the protein bonds that exist in mucus.
D)drawing increased amounts of water from interstitial spaces into mucus.
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Abrams' Clinical Drug Therapy: Rationales for Nursing Practice
Edition: 10th
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Mucolytics such as acetylcysteine are drugs that liquefy mucus in the respiratory tract by attacking the protein bonds of the mucus.

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