Question 10
At a health clinic, a child is found to have poor tooth growth and tooth decay. Which deficiency does this point to?
The right answer is the one marked above.
Vitamin D. Because it controls the absorption of calcium and phosphorus, a shortage of it shows first in the teeth, and in adults as bones that break easily.
Work backwards from the symptom to the nutrient. Weak sight and Bitot's spots → vitamin A. Bleeding gums → vitamin C. Sores at the corners of the mouth → vitamin B. Anaemia → iron, or vitamin B.