A nurse is collecting data from a 6-month-old infant in the well child clinic.
Which of the following findings should the nurse expect?
Infant's birth weight is tripled.
Lateral incisors are present.
Posterior fontanel is closed.
Infant sits well without support.
The Correct Answer is C
Choice A rationale
The infant's birth weight typically doubles by 4-6 months and triples by 1 year of age. If an infant's weight has tripled at 6 months, it may indicate overnutrition or an underlying health condition.
Choice B rationale
Lateral incisors usually appear between 9 to 13 months. At 6 months, the central incisors are more likely to be emerging.
Choice C rationale
The posterior fontanel typically closes by 2 to 3 months of age. Therefore, by 6 months, it is expected to be closed.
Choice D rationale
Infants usually sit without support around 8 months. At 6 months, they may sit with support or briefly without support but not consistently.
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Correct Answer is C
Explanation
Choice A rationale
Administering syrup of ipecac to induce vomiting is no longer recommended due to the risk of aspiration and potential harm from the substance ingested.
Choice B rationale
Giving orange juice won't counteract iron poisoning from ferrous sulfate and may actually increase iron absorption, exacerbating the situation.
Choice C rationale
Contacting the poison control center is the most appropriate action as they provide expert guidance on managing iron overdose and other poisoning scenarios.
Choice D rationale
Providing a high-carbohydrate snack is not relevant or effective in treating iron poisoning and can delay appropriate medical intervention.
Correct Answer is D
Explanation
Choice A rationale
Assisting with crutch walking is necessary but should occur only after ensuring the cast is properly set and stable to avoid injury.
Choice B rationale
Avoiding touch until the cast is dry is unnecessary and impractical. The nurse can handle the cast gently without causing damage.
Choice C rationale
Using a heat lamp can lead to skin burns or uneven drying, which might weaken the cast.
Choice D rationale
Applying moleskin to the edges protects the child’s skin from irritation and breakdown, promoting comfort and skin integrity.