**Question:** The normal calorie requirement for a 5-year-old child is –

A. 1000 calories
B. 1200 calories
C. 1400 calories
D. 1600 calories

**Correct Answer:** D. 1600 calories

**Core Concept:**
Calorie requirement estimation is based on factors like age, gender, height, weight, and activity level. For children, the requirement varies based on the developmental stage and growth rate.

**Why the Correct Answer is Right:**
A 5-year-old child typically falls into the active stage of growth, with higher energy expenditure due to increased physical activity. Therefore, the calorie requirement is higher than the resting energy expenditure (REE). The 1600 calories is considered appropriate as it covers the child's daily energy expenditure, supporting growth, development, and overall health.

**Why Each Wrong Option is Incorrect:**
A. 1000 calories (Lower than the actual requirement, leading to stunted growth and malnutrition)
B. 1200 calories (Lower than the actual requirement, causing growth issues and developmental delays)
C. 1400 calories (Similar to option A and B, inadequate for a growing child)

**Why the Correct Answer is Right:**
D. 1600 calories (Sufficient to cover the REE and support growth and development during the active growth phase, without causing obesity)

**Clinical Pearl:**
The calorie requirements are determined by considering the Basal Metabolic Rate (BMR) and the Total Daily Energy Expenditure (TDEE). For children, TDEE includes REE, Physical Activity Level (PAL), and Growth Response (GR). The correct calorie intake ensures optimal growth, development, and overall health in children.