Which of the following best describes hypothyroidism due to acquired atrophy of the thyroid?
A) A condition where the thyroid gland enlarges and produces excessive thyroid hormones.
B) A disorder caused by an autoimmune response that leads to the gradual destruction and atrophy of the thyroid gland, resulting in decreased thyroid hormone production.
C) A congenital condition where the thyroid gland is underdeveloped or absent at birth.
D) A temporary inflammation of the thyroid gland that increases thyroid hormone levels before causing a decrease.