Choose the correct growth and development milestones for each age group. Motor Skill Development by Age.
Please choose only one age group for the milestone for each age. (One X per row).
Walks with one hand held.
Sits Unsupported.
Can Turn Pages in a Book.
Rolls from Front to Back.
Correct Answer : A,B,C,D
A. Walks with one hand held - (9 to 12 months)
B. Sits Unsupported - (6 to 8 months)
C. Can Turn Pages in a Book - (2 to 3 years)
D. Rolls from Front to Back - (4 to 6 months)
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Correct Answer is C
Explanation
Choice A rationale
Walks with one hand held typically occurs around 12 months as infants gain balance and coordination for upright movement.
Choice B rationale
Sits unsupported usually happens around 6 months when infants' core muscles are strong enough to hold their torso upright.
Choice C rationale
Turning pages in a book is a fine motor skill that develops around 12 months as hand-eye coordination improves.
Choice D rationale
Rolling from front to back typically occurs around 6 months as infants develop stronger neck and upper body muscles.
Correct Answer is B
Explanation
Choice A rationale
Infants typically do not double their birth weight by 2-3 months. This milestone is more commonly reached slightly later in infancy.
Choice B rationale
By 5-6 months, many infants double their birth weight, indicating healthy growth and development. This timeline aligns with common pediatric growth patterns.
Choice C rationale
While growth continues at a steady pace, most infants have already doubled their birth weight before reaching 9 months. This age generally marks further physical and
developmental milestones.
Choice D rationale
By 12 months, infants have typically more than doubled their birth weight. This age is associated with continued growth, development, and new milestones.