When does the posterior fontanelle close?
3 to 6 months.
6 to 9 months.
9 to 12 months.
2 to 3 months.
The Correct Answer is D
The correct answer is D. 2 to 3 months.
Choice A rationale:
The posterior fontanelle does not close within 3 to 6 months of birth. This timeframe is too long for the typical closure of the posterior fontanelle.
Choice B rationale:
Similarly, the posterior fontanelle does not close within 6 to 9 months of birth. This period is beyond the usual closure time for the posterior fontanelle.
Choice C rationale:
The posterior fontanelle does not close within 9 to 12 months of birth. This timeframe is significantly longer than the typical closure period for the posterior fontanelle.
Choice D rationale:
The posterior fontanelle typically closes within 2 to 3 months of birth. This is the correct timeframe for the closure of the posterior fontanelle.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A rationale:
It is essential to understand that children exploring their bodies, including touching their genitalia, is often a normal part of their development. However, suggesting that it is due to discomfort from a penile rash or irritation (Choice A) may pathologize typical behavior and cause unnecessary concern. It's important for healthcare providers and parents to differentiate between normal curiosity and potential signs of discomfort or distress.
Choice B rationale:
Masturbation in young children is not a sign of an excessive fear of castration (Choice B). Such interpretations are based on outdated psychoanalytic theories and are not considered valid explanations for this behavior. It's crucial to avoid making unwarranted psychological assumptions about children's actions.
Choice C rationale:
Choice C is the correct answer because, in most cases, frequent genital touching in young children is a manifestation of normal curiosity about their bodies and sexuality. It is an opportunity for parents and caregivers to educate children about privacy, appropriate behavior, and boundaries in a developmentally appropriate manner. This response reflects a current and evidence-based understanding of child development.
Choice D rationale:
Labeling this behavior as abnormal and suggesting the child should be referred for counseling (Choice D) is not appropriate unless there are specific signs of distress, compulsivity, or other concerning factors. Jumping to counseling without a valid reason can create unnecessary anxiety for the child and parents.
Correct Answer is D
Explanation
Choice A rationale:
Keeping the infant's room well lit is not the best action to address lethargy. While adequate lighting is important, the primary concern in this situation is the infant's health and well-being, and manipulating the room lighting will not directly address the issue.
Choice B rationale:
Rubbing the infant's soles vigorously is not the most appropriate action for a lethargic infant. Lethargy may be a sign of an underlying medical issue, and vigorous rubbing of the soles is unlikely to resolve the problem.
Choice C rationale:
Offering the infant a pacifier may provide comfort in certain situations but is not the best action for a lethargic infant. Lethargy in an infant requires further assessment to determine the underlying cause and appropriate interventions.
Choice D rationale:
Handling the infant slowly and gently is the most appropriate action in this scenario. Lethargy in a 10-month-old infant can be a sign of illness or discomfort, and gentle handling is crucial to ensure the infant's well-being. The infant should be assessed for any signs of illness or distress and, if necessary, brought to a healthcare provider for further evaluation.
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