Extreme _______ during childhood results in low metabolic rate and retarded mental and physical development, a condition known as cretinism.
A) hypothyroidism
B) hyperthyroidism
C) hyposecretion of growth hormone
D) hyposecretion of insulin

Question

Quizplus · Accepted Answer

Hypothyroidism is a condition where there is decreased secretion of thyroid hormones, resulting in a low metabolic rate. Cretinism is a severe form of hypothyroidism that occurs during childhood and leads to stunted growth and mental retardation. The other options (B, C, and D) do not lead to cretinism. Hyperthyroidism (B) results in an increased metabolic rate. Hyposecretion of growth hormone (C) results in reduced growth, but not mental retardation. Hyposecretion of insulin (D) leads to diabetes, but not to cretinism.

Extreme _______ During Childhood Results in Low Metabolic Rate and Retarded