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    Ati n400 ew med surg final proctored exam

    A nurse is providing teaching to the parent of a child who has a new diagnosis of scabies. Which of the following information should the nurse include?

    Explanation & Rationale

    A. Scabies causes clusters of nonpruritic blisters that crust within 7 days. Scabies lesions are characterized by intense pruritus, especially at night, rather than being nonpruritic. The rash typically involves erythematous papules and linear burrows rather than simple blistering clusters. Itching is a hypersensitivity reaction to the mite, its eggs, and its excrement. B. Scabies eggs hatch 30 days after infection. Female mites deposit eggs into the subcutaneous burrows they create within the stratum corneum. These eggs typically hatch into larvae within 3 to 4 days, not 30 days. Rapid hatching contributes to the quick progression of the infestation and symptoms. C. Prophylactic treatment is not recommended for household members. Scabies is highly contagious and spreads through direct, prolonged skin-to-skin contact among close contacts. All household members and sexual partners require simultaneous treatment to prevent cycles of re-infestation. Asymptomatic individuals can still harbor and transmit live mites to others nearby. D. The infection is caused by a mite underneath the skin. The Sarcoptes scabiei mite burrows into the upper layers of the skin to live and lay eggs. This parasitic infestation triggers a delayed type 4 hypersensitivity reaction causing the symptomatic rash. Identification of these burrows is diagnostic for this specific parasitic skin condition.

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