Bacteria entering the skin of the nail bed can lead to an infection, characterized by pain and swelling. While ingrown nails can occur, they are not caused by bacterial entry. The primary issue is the risk of infection, which must be treated to prevent complications. ;
The correct answer is C. An infection occurs when bacteria enter the skin of the nail bed, leading to redness, swelling, and pain. If untreated, it could result in severe complications, making infections a significant concern in nail health.
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