Four carpal bones are present at what age?: (A) 3 years, (B) 4 years, (C) 5 years, (D) 6 years
Answer is B. 4 years REF: Parikh 6' edition page 2.9 Between 2 to 6 years, the number of carpal bones present on X ray represents the approximate age in years, as for example, four carpal bones -- 4 years.