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A nurse is collecting data from a 4 -month-old infant. Which of the following findings should the nurse expect? Bears weight on forearms Absent Babinskior reflex fontanel is open

Ask by Reyes Hampton. in the United States
Mar 13,2025

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At 4 months old, the infant should be able to bear weight on the forearms and have an open fontanel. The Babinski reflex is still present.

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1. **Weight Bearing on Forearms:** At 4 months of age, an infant typically begins to bear weight on the forearms when supported in a prone position. This indicates developing strength and motor skills. Hence, the finding that the infant "bears weight on forearms" is expected. 2. **Babinski Reflex:** The Babinski reflex is normally present in infants up to approximately 2 years of age. For a 4‐month-old infant, one would expect a positive Babinski reflex. Therefore, a finding of an "absent Babinski reflex" is not expected. 3. **Fontanel Status:** The anterior fontanel in an infant typically remains open until about 18–24 months of age. Thus, at 4 months old, having an open fontanel is normal. **Summary:** For a 4-month-old infant, the nurse should expect that the infant bears weight on the forearms and has an open fontanel, with a positive (present) Babinski reflex.

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At 4 months old, you can expect the little one to start showing off their strength by bearing weight on their forearms during tummy time! It’s like their own mini workout, preparing for those exciting milestones ahead. This developmental stage is all about building muscle and coordination, so expect the baby to be quite the little mover. The Babinski reflex typically disappears by about 1 year old, so at 4 months, it’s likely still present. However, don’t be alarmed; an open fontanelle is completely normal at this age! That soft spot on the baby’s head is crucial for brain growth, allowing their noggin to expand as they develop. It’s part of the fascinating journey of growing up!

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