When examining a 2-year-old child during a well-child physical, it is most important for the nurse ...

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1. Visual acuity might be difficult to assess accurately at this age secondary to the child's compliance and ability to understand the directions for the screening test.
2. While teaching helmet use at an early age is important, it is unlikely that this child is riding a bicycle yet.
3. Elevated lead levels are neurotoxic to young children, and can cause irreparable neurological damage if untreated.
4. Although early exposure to fluoride is important for good dental health, lack of fluoridated drinking water will not be as harmful to the child as will toxic lead levels.