A nurse is checking a school-age child for pediculosis capitis. Which of the following findings is a definitive indication of this condition?

Firmly attached white particles on the hair

Itching and scratching of the head

Thick, yellow-crusted lesions on a red base

Patchy areas of hair loss

Answer and Explanation

The Correct Answer is A

A. Firmly attached white particles on the hair:

Firmly attached white particles on the hair are characteristic of nits, which are the eggs of lice. While this finding supports the diagnosis of pediculosis capitis, it is not a definitive indication on its own.

B. Itching and scratching of the head:

Itching and scratching of the head are common symptoms of pediculosis capitis. However, they are also common symptoms of various other scalp conditions, so they are not definitive indications.

C. Thick, yellow-crusted lesions on a red base:

This description is more characteristic of impetigo, a bacterial skin infection, rather than pediculosis capitis. Impetigo typically presents with yellow-crusted lesions on a red base, but it does not involve lice infestation.

D. Patchy areas of hair loss:

Patchy areas of hair loss are not typically associated with pediculosis capitis. This finding is more suggestive of conditions like alopecia areata or fungal infections.

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Correct Answer is C

Explanation

A. Gelatin: Gelatin is sometimes used as a stabilizer in vaccines, including some flu vaccines. Individuals with severe gelatin allergies may need to avoid vaccines containing gelatin. However, egg allergy is more common and directly relevant to the contraindication for flu vaccination.

B. Peanuts: Peanuts are not typically used in the production of flu vaccines. Peanut allergies are not a contraindication for flu vaccination unless the person also has an egg allergy or another contraindication.

C. Eggs: Flu vaccines are commonly produced using chicken eggs. Therefore, individuals with a severe egg allergy should avoid flu vaccines, as they may experience an allergic reaction. This is especially important for young children, as they may be more prone to severe allergic reactions.

D. Bee Venom: Bee venom is not an ingredient in flu vaccines. While it's essential to consider allergies to various substances when administering vaccines, bee venom allergy does not impact the safety of flu vaccination.

A. Shingles B. Athlete's foot C. Fever blister D. Pinworms

Correct Answer is B

Explanation

A. Shingles: This is a viral infection caused by the varicella-zoster virus, which also causes chickenpox. It typically manifests as a painful rash that develops into fluid-filled blisters.

B. Athlete's foot: This is a fungal infection of the skin on the feet, particularly between the toes. It causes itching, burning, and cracked, flaking skin.

C. Fever blister: Also known as a cold sore, this is a viral infection caused by the herpes simplex virus. It typically appears as a cluster of small, fluid-filled blisters on or around the lips.

D. Pinworms: This is a parasitic infection caused by tiny, white worms that infect the intestines. It commonly causes anal itching, particularly at night, due to the female worms laying eggs around the anal area.

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A nurse is checking a school-age child for pediculosis capitis. Which of the following findings is a definitive indication of this condition?

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