1. Bone age, assessed by a hand and wrist radiograph, is used to:

A. Diagnose ear infections

B. Measure lung capacity

C. Estimate skeletal maturity and remaining growth potential

D. Assess vision

Correct Answer: C. Estimate skeletal maturity and remaining growth potential

Rationale: Comparing bone development with chronological age helps evaluate growth

disorders and timing of puberty. It is unrelated to ears, lungs or vision.

2. Girls generally begin their pubertal growth spurt:

A. At ...