The anterior tentauelle ossifies after the age of:

Appeared in: IGNOU PB Bsc Entrance-2023

Explanation

The anterior fontanelle, the large diamond-shaped soft spot on an infant's head, allows for brain growth.
According to standard pediatric developmental milestones, this fontanelle typically closes (ossifies) between 12 and 18 months of age.
The 18-month mark represents the upper limit of the normal range for complete ossification, making it the most accurate and expected answer in a nursing context.

Option B: This is too early for the anterior fontanelle to close. The posterior fontanelle closes much earlier, typically by 6 to 8 weeks (around 2 months).
Option C: This is also too early for the anterior fontanelle to close. Early closure (craniosynostosis) is an abnormal condition.
Option D: While the closure process may begin around 12 months in some infants, it is not typically complete. The standard range extends up to 18 months.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Anterior fontanelle closure time as background academic context rather than a clinical decision trigger.
Nurses must accurately assess fontanelles to monitor an infant's hydration status and intracranial pressure. A sunken fontanelle is a key sign of dehydration, while a bulging fontanelle can indicate serious conditions like meningitis or hydrocephalus.
Patient education is crucial. Nurses should teach parents about the normal feel and appearance of fontanelles and when to seek medical care for abnormalities like bulging or sinking.
What if? If an infant's anterior fontanelle is still widely open at 24 months, this is considered delayed closure. The nurse should report this finding, as it necessitates further evaluation for underlying medical conditions like congenital hypothyroidism, rickets, or Down syndrome.

How to Approach the Question

First, identify the key term in the question stem: 'anterior tentauelle'. Recognize that 'tentauelle' is a misspelling of 'fontanelle'.
The question asks for the age at which the anterior fontanelle 'ossifies' or closes.
This is a factual recall question based on pediatric developmental milestones.
Recall the normal time frame for the closure of the anterior fontanelle, which is between 12 and 18 months.
Evaluate the given options. '18 months' represents the upper limit and completion of this normal developmental process.
Eliminate the other options: 6 and 8 months are too early, and 12 months is the beginning of the closure period, not the end.

Concept Tested & Keywords

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E6 Comprehensive Textbook of Community Health NursingShyamala D part 1 (pp 26-389 of 389) p. 300-302

E6 Midwifery Obstetrics and Gynecology Nursing Sandeep Kaur p. 53-66

Practise the full IGNOU PB Bsc Entrance-2023

Attempt every question from this paper in a timed mock, then review the full solution for each one.