What developmental characteristic does not occur until a child reaches age 2 1/2 years?
A) Birth weight has doubled.
B) Anterior fontanel is still open.
C) Primary dentition is complete.
D) Binocularity may be established.

Question

Quizplus · Accepted Answer

Usually by age 30 months,the primary dentition of 20 teeth is complete.Birth weight doubles at approximately ages 5 to 6 months.The anterior fontanel closes at ages 12 to 18 months.Binocularity is established by age 15 months.

What Developmental Characteristic Does Not Occur Until a Child Reaches