The nurse is assessing a patient with suspected eczema. Which diagnostic test is commonly used to confirm the diagnosis and rule out other skin conditions?
Biopsy of the skin lesion
Patch testing for allergies
Complete blood count (CBC)
X-ray of the affected area
The Correct Answer is A
Explanation: A biopsy of the skin lesion is commonly used to confirm the diagnosis of eczema and rule out other skin conditions with similar symptoms.
Incorrect choices: b. Patch testing for allergies is used to identify allergens that may be triggering eczema flare-ups but is not used to confirm the diagnosis of eczema.
c. A complete blood count (CBC) is not typically used to diagnose eczema. It may be ordered to assess for secondary infections or other underlying health conditions.
d. X-ray is not useful for diagnosing eczema, as it primarily provides images of bones and internal structures. It is not commonly used in the evaluation of skin conditions.
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Related Questions
Correct Answer is B
Explanation
Explanation: Eczema is characterized by red, inflamed, and itchy skin lesions with well-defined borders.
Incorrect choices: a. Pustules filled with clear fluid are more indicative of conditions like impetigo, not eczema.
c. Eczema can affect multiple body parts and is not confined to just one area.
d. Pruritus or itching is a typical symptom of eczema and is considered a key diagnostic criterion.
Correct Answer is B
Explanation
Explanation: In some cases, shellfish and seafood can be allergenic and may trigger eczema flare-ups in susceptible individuals. It is essential for the patient to identify their specific food triggers through an elimination diet or consultation with a healthcare provider.
Incorrect choices: a. Fresh fruits and vegetables are generally not allergenic and are part of a healthy diet. However, some individuals may be sensitive to specific fruits or vegetables, but this varies from person to person.
c. Whole grains and nuts are nutritious foods and are not typically allergenic for individuals with eczema. However, individual allergies may vary.
d. Dairy products and eggs are common allergens, but not all individuals with eczema have sensitivities to these foods. Again, individual responses to specific foods may vary.
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