Practice Questions

Sunlight converts skin precursors into vitamin D.

Calorie restriction helps weight reduction.

Calcium builds strong bones and teeth.

Prevents neural tube defects in fetus.

Iron deficiency reduces hemoglobin levels.

Sodium is essential for nerve impulse conduction.

Protein restriction reduces kidney workload.

Fiber improves bowel movement and prevents constipation.

Vitamin D deficiency affects bone mineralization in children.

Fat provides 9 kcal per gram, highest energy density.