ILTS 206 Sub-Area 1 Practice Question #04

In the typical course of infant development, which of the following developmental milestones is generally the latest to appear?

smiling at familiar facesturning the head to locate a soundrolling from stomach to backmaking cooing sounds

Correct Response: C.

Typical infant development follows a characteristic sequence of milestones as the infant brain and body mature. Of the milestones listed, smiling at familiar faces, turning the head to locate a sound, and making cooing sounds typically appear between 1-3 months of age, while the milestone of rolling over (either from stomach to back or back to stomach) is most often acquired between the ages of 4 and 7 months.