Wong's Essentials of Pediatric Nursing 11th Edition Test Bank - Health Promotion of the Toddler and Family Related

Review Wong's Essentials of Pediatric Nursing 11th Edition Test Bank - Health Promotion of the Toddler and Family related questions and content

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.
Correct Answer: C

Rationale: 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.