The school nurse is conducting pediculosis capitis checks. Which of the following describes how a child with a "positive" head check would present?
1. White, flaky particles throughout the entire scalp region
2. Maculopapular lesions behind the ears
3. Lesions in the scalp that extend to the hairline or neck
4. White sacs attached to the hair shafts in the occipital area
4
Rationale:
1. Lice and nits must be distinguished from dandruff, which appears as white flaky particles.
2. Lesions might be present from itching, but the positive sign is evidence of nits.
3. Lesions might be present from itching, but the positive sign is evidence of nits.
4. Evidence of pediculosis capitis includes white sacs (nits) that are attached to the hair shafts, frequently in the occiput area.
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