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Difficulty: HardNormal Growth and Development

Match each clinical presentation of a child's current developmental abilities with their most accurate estimated developmental age.

  • Stands independently, uses a mature pincer grasp, and says 1 word besides 'mama' and 'dada', but is unable to run or walk up stairs with a hand held.Developmental age of 12 months (1 year)
  • Jumps with both feet, builds a tower of 6 blocks, and uses 2-word phrases, but is unable to copy a circle or ride a tricycle.Developmental age of 24 months (2 years)
  • Rides a tricycle, copies a circle, and speaks in 3-word sentences, but is unable to draw a person with 3 parts or hop on one foot.Developmental age of 36 months (3 years)
  • Walks down stairs alternating feet, copies a cross, and engages in cooperative play, but is unable to skip or tie shoelaces.Developmental age of 48 months (4 years)
  • Skips, copies a square, dresses independently, and draws a person with 6 parts, but is unable to draw a diamond.Developmental age of 60 months (5 years)

Answer

The correct matches align each specific combination of achieved milestones (and notably absent skills) with the standard pediatric developmental timeline for ages 1 through 5 years.
Each age strictly corresponds to specific milestones achieved in the gross motor, fine motor, language, and social domains. The negative findings (skills the child cannot yet do) serve as upper bounds, perfectly isolating the correct developmental year.

Step-by-Step Solution

1
Evaluate the profile of the child who is standing independently, using a mature pincer grasp, and speaking 1 word.
Matches 12 months (1 year).
These are classic 1-year milestones. The inability to run confirms the child has not yet reached the 18-month developmental stage.
2
Evaluate the profile of jumping, building a 6-block tower, and using 2-word phrases.
Matches 24 months (2 years).
These define the 2-year mark. The absence of tricycle riding and circle copying rules out a 36-month developmental age.
3
Assess the abilities to ride a tricycle, copy a circle, and use 3-word sentences.
Matches 36 months (3 years).
These represent core 3-year milestones, supported by the lack of 48-month skills like hopping on one foot.
4
Identify walking down stairs alternating feet, copying a cross, and engaging in cooperative play.
Matches 48 months (4 years).
These are defining 4-year milestones. Skipping and tying shoes are absent, which rules out the 60-month stage.
5
Correlate skipping, copying a square, and drawing a 6-part person.
Matches 60 months (5 years).
These are 5-year milestones. Copying a diamond is expected later, at around 6 years of age.

Key Concept

Normal Pediatric Growth and Development Milestones
Estimated Time:2m 0s
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Topics

Normal Growth and Development

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