2021 P2 Q103

Q1. The most sensitive indicator of environmental iodine deficiency is:

1. Prevalence of goiter
2. Prevalence of neonatal hypothyroidism
3. Prevalence of cretinism
4. Urinary iodine excretion

Answer & explanation — reveal it in the interactive practice above.

PYQ 2020–2025 — page 136