Certified Wound Ostomy Nurse (CWON) Practice Test

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Prepare for the Certified Wound Ostomy Nurse (CWON) Test. Use flashcards and multiple choice questions, featuring hints and explanations for each question. Get ready for your certification exam with confidence!

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What is marked by a fungal infection of the nail, leading to discolored, thickened, and brittle nails?

Xerosis
Onychomycosis
Paronychia
Onychatrophia

The correct answer is: Onychomycosis

Onychomycosis is the correct answer as it specifically refers to a fungal infection affecting the nails. This condition leads to several characteristic changes in the nails, including discoloration, thickening, and brittleness. Fungal infections occur when fungi invade the nail bed, resulting in the symptoms observed, which can significantly affect the appearance and structural integrity of the nails. In contrast, xerosis refers to dry skin, which does not specifically relate to nail infections. Paronychia is an infection of the skin around the nails caused by bacteria or fungi, but it does not typically lead to the thickening or brittleness of the nails themselves. Onychatrophia refers to the atrophy or wasting away of the nail, which can occur due to various causes but is not specifically indicative of a fungal infection. Each of these conditions has distinct features that do not match the description provided in the question as closely as onychomycosis.