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Zorluk: OrtaNormal Growth and Development

A pediatric clinic is developing an educational brochure for parents regarding expected childhood development. The brochure will list major milestones in chronological order to help parents anticipate their child's progress. Arrange the following developmental milestones in the correct chronological sequence of their typical acquisition in a healthy child, from earliest to latest.

  1. 1Demonstrates a social smile in response to a caregiver's face
  2. 2Sits upright momentarily without physical support
  3. 3Uses a mature pincer grasp to pick up a small object
  4. 4Builds a vertical tower consisting of six cubes
  5. 5Pedals a tricycle

Cevap

The milestones should be ordered from earliest to latest: Social smile (2 months) -> Sits without support (6 months) -> Mature pincer grasp (12 months) -> Builds a tower of six cubes (24 months) -> Pedals a tricycle (36 months).
Childhood milestones develop in a highly predictable pattern across multiple domains. The social smile is an early social-emotional marker at 2 months. By 6 months, an infant achieves truncal tone sufficient for sitting without support. By 12 months, fine motor coordination refines to allow for a mature pincer grasp. At 24 months, advanced visual-motor skills permit the building of a tower of six blocks. Finally, by 36 months, complex gross motor coordination and balance enable the child to pedal a tricycle.

Adım Adım Çözüm

1
Determine the typical age of acquisition for the social smile.
This milestone typically emerges at 2 months of age.
It is a key early social milestone marking responsive engagement with caregivers.
2
Determine the typical age of acquisition for sitting without support.
This milestone is typically achieved by 6 months of age.
Gross motor development progresses in a cephalocaudal direction; independent sitting follows head control and rolling over.
3
Determine the typical age of acquisition for a mature pincer grasp.
This milestone typically develops by 12 months of age.
Fine motor skill refines from a raking grasp (6 months) to an immature pad-to-pad pincer (9 months) and finally a mature fingertip-to-fingertip pincer (12 months).
4
Determine the typical age of acquisition for building a tower of six cubes.
This milestone is typically achieved by 24 months (2 years) of age.
Stacking blocks requires advanced hand-eye coordination that progresses significantly between 15 and 36 months.
5
Determine the typical age of acquisition for pedaling a tricycle.
This milestone is typically achieved by 36 months (3 years) of age.
Pedaling requires complex bilateral coordination and balance characteristic of a typical 3-year-old child.
6
Sequence the milestones in chronological order.
Social smile (2m) -> Sits unsupported (6m) -> Mature pincer grasp (12m) -> Tower of 6 cubes (24m) -> Pedals a tricycle (36m).
The question requests the order from earliest expected age to latest.

Anahtar Kavram

Normal pediatric developmental milestones occur in a predictable chronological sequence across gross motor, fine motor, language, and social-emotional domains, allowing clinicians to accurately assess developmental progress.
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Normal Growth and Development

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