A nurse is caring for a patient who is recovering from surgery and who has a wound drain in place. The drainage coming from the wound is dark green in color. Which term best describes this type of drainage?


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- Bilious

- Serous

- Serosanguineous

- Sero-purulent


Drainage from a wound may take on a different appearance as the wound heals or, unfortunately, if the wound becomes infected. Initially, a wound may excrete bloody or pink drainage, known as serosanguineous. As the wound heals, the drainage becomes clearer, known as serous drainage. Bilious drainage is dark green and is typically present when a patient has surgery on the gallbladder

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