By what age range does a toddler engage in parallel play?_____
By what age does an infant develop a social smile?_____
By what age can a preschooler engage in cooperative play and have imaginary friends?_____
By what age can an infant lift their head prone?_____
By what age can an infant say "mama" and "dada"?_____
0-3 months
6-9 months
12-15 months
15-24 months
24-36 months
Study 10 flashcards on Cultural influences on development for USMLE Pediatrics. These active recall cards cover the key concepts, clinical associations, and high-yield facts from this chapter of Milestones. Each card is designed to test your understanding rather than just recognition, building stronger and more durable memories for exam day.
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