Which of the following statements are incorrect about the thyroid gland?
(a) It consists of four lobes.
(b) It is composed of follicles and stromal tissues.
(c) It secretes T3 and T4 hormones.
(d) Its enlargement is termed gout.

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(a) and (d)

(a) and (b)

(b) and (c)

answer is D.

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Detailed Solution

Thyroid gland:

(a) It typically consists of two lobes connected by a narrow isthmus, not four lobes.

(b) It is composed of functional units called follicles, which are lined with epithelial cells and filled with colloid. Around these follicles, there are stromal tissues that provide structural support and contain blood vessels and nerves.

(d) The enlargement of the thyroid gland is termed goiter, not gout. Goiter can occur due to various reasons, including iodine deficiency, autoimmune diseases (like Hashimoto's thyroiditis), or other conditions affecting thyroid hormone production.

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