Question

deficiency of which nutrient results in stillbirths and irreversible mental impairment (cretinism)?
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a. copper
b. iodine
c. zinc
d. selenium

Explanation:

Iodine deficiency during pregnancy can lead to stillbirths. It also causes cretinism, which involves irreversible mental impairment and physical growth retardation in infants. This is because iodine is crucial for thyroid hormone synthesis, which is essential for fetal brain development.

Answer:

B. Iodine