The nurse is reviewing the diagnostic criteria for scabies. Which statement accurately describes the definitive method for confirming scabies infestation?

Skin biopsy showing hyperkeratosis and parakeratosis

Microscopic examination of skin scrapings revealing Sarcoptes scabiei mites or eggs

Positive Mantoux test result indicating exposure to Mycobacterium tuberculosis

Serological testing for antibodies against the scabies mites

Answer and Explanation

The Correct Answer is B

Explanation: The definitive method for confirming scabies infestation is the microscopic examination of skin scrapings, which can reveal the presence of Sarcoptes scabiei mites, eggs, or fecal pellets.

Incorrect choices: a. Skin biopsy may show hyperkeratosis and parakeratosis, but it is not the definitive method for diagnosing scabies. It can help rule out other skin conditions with similar manifestations.

c. The Mantoux test is used for detecting exposure to tuberculosis, not scabies.

d. Serological testing for antibodies against scabies mites is not typically used for diagnosing scabies and may not provide accurate results.

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Correct Answer is B

Explanation

Explanation: One of the hallmark clinical manifestations of scabies is the presence of linear burrows on the skin, which are caused by the mite's burrowing activity. The itching is typically more severe at night.

Incorrect choices: a. Silvery-white plaques with a predilection for extensor surfaces are characteristic of psoriasis, not scabies.

c. Pustules and papules with a honey-colored crust are indicative of impetigo, not scabies.

d. Raised, red welts with severe pruritus triggered by allergens are typical of urticaria or hives, not scabies.

A. Pustules and papules with a honey-colored crust B. Silvery-white plaques with a predilection for extensor surfaces C. Linear burrows and intense itching, especially at night D. Raised, red welts with severe pruritus triggered by allergens

Correct Answer is C

Explanation

Incorrect choices: a. Pustules and papules with a honey-colored crust - This description is more characteristic of impetigo, a bacterial skin infection, not scabies.

b. Silvery-white plaques with a predilection for extensor surfaces - This description is typical of psoriasis, not scabies.

d. Raised, red welts with severe pruritus triggered by allergens - This description is more characteristic of urticaria (hives), which is an allergic skin reaction, not scabies.

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The nurse is reviewing the diagnostic criteria for scabies. Which statement accurately describes the definitive method for confirming scabies infestation?

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Naxlex Comprehensive Predictor Exams

The nurse is assessing a client with suspected scabies. Which clinical manifestation is commonly associated with scabies infestation?

Correct Answer is B

Explanation

The nurse is assessing a client with suspected scabies. Which clinical manifestation is commonly associated with scabies?

Correct Answer is C

Explanation

The nurse is providing education to a family member of a client with scabies. Which statement by the family member indicates a need for further teaching?

Which precaution is important for individuals diagnosed with scabies infestation?

The nurse is reviewing the diagnostic criteria for scabies. Which statement accurately describes the typical location of scabies burrows?

The nurse is assessing a client with suspected scabies. Which area of the body is commonly affected by scabies infestation?

The nurse is assessing a client with suspected scabies. Which area of the body is commonly affected by scabies infestation?

How is scabies transmitted from person to person?

The nurse is teaching a client with scabies about the importance of completing the full course of prescribed scabicidal treatment. Which statement by the client indicates a need for further teaching?

The nurse is assessing a client with suspected scabies infestation. Which diagnostic test is most commonly used to diagnose scabies in clinical practice?