Top/ Q1 - 50 year old housewife complains of progressive weight gain of 20 pounds in 1 year, fatigue, slight memory loss, slow speech, dry skin, constipation, and cold intolerance. Physical examination: Vital signs include a temperature 35.8 0C, pulse 58/minute and regular, BP 140/100 mmHg. The thyroid gland is slight enlarged, firm, not nodular, mobile, and not tender. The diagnosis is made as hypothyroidism.

Classify the thyroid gland according to the(2 mark) a. Destination b. Histological structure *