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 A
Explanation
Choice A rationale:
5-year-old children typically enjoy rough and tumble play, which involves physical activities like wrestling, play-fighting, and other boisterous games. This type of play is common at this age as it helps children develop physical coordination, social skills, and provides an outlet for their energy.
Choice B rationale:
Playing well-organized games is not the primary characteristic of play for most 5-year-olds. While they may engage in structured activities, they tend to favor more active and less structured play like rough and tumble play.
Choice C rationale:
Preferring inside activities is not a typical characteristic of 5-year-old play. Most children of this age group enjoy outdoor play and physical activities.
Choice D rationale:
Following rules is an important developmental skill, but it is not the primary characteristic used to characterize the play of 5-year-old children. They are more focused on physical and imaginative play.
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.
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