One of the largest endocrine glands, the thyroid gland is a ductless endocrine gland, located at the anterior portion of the neck. It somewhat resembles the shape of a butterfly. Primarily, the function of the thyroid gland is to secrete the T3 hormone (Triiodothyronine ) and T4 hormone (Thyroxine hormone).
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1. The main hormone secreted by the Thyroid gland
(a) T4
(b) T3
(c) (a) and (b) Both
(d) TSH
Answer: (C)
2. Iodine deficiency can cause
(a) Goitre
(b) Thyroid cancer
(c) Solitary thyroid nodules
(d) Thyroiditis
Answer: (a)
3. Grave’s disease or Basedow’s disease is due to
(a) Hyperactivity of adrenal cortex
(b) Hypoactivity of the thyroid gland
(c) Hyperactivity of thyroid gland
(d) Hypoactivity of islets of Langerhans
Answer: (c)
4. The four small glands in the thyroid gland are known as
(a) Adrenal gland
(b) Pineal gland
(c) Parathyroid gland
(d) Endocrine and exocrine gland
Answer: (c)
5. Sometimes, the thyroid symptoms are mistaken for which condition?
(a) Menopause
(b) Posttraumatic stress
(c) Pregnancy
(d) Crohn’s disease
Answer: (a)
6. Medications for hypothyroidism include treatment that:
(a) Replaces insulin
(b) Replaces ADH
(c) Replaces TH
(d) Replaces surfactant
Answer: (c)
7. Which of these diseases is not related to thyroid glands?
(a) Cretinism
(b) Myxoedema
(c) Goitre
(d) Acromegaly
Answer: (d)
8. In chronically deficient patients, this abnormality is directly related to the enlargement of the thyroid gland
(a) Impaired conversion of T3 and T4
(b) Reduced activity of thyroperoxidase
(c) Elevated levels of TSH
(d) An antibody that binds to the TSH receptor in the thyroid gland
Answer: (c)
9. ____________ encloses thyroid, responsible for its movement during swallowing
(a) Prevertebral fascia
(b) Pretracheal fascia
(c) Investing layer of the deep cervical fascia
(d) Superficial fascia
Answer: (b)
10. This condition of chronic inflammation of the thyroid leading to under-activity is
(a) Thyroiditis
(b) Goitre
(c) Hypothyroidism
(d) Hyperthyroidism
Answer: (a)
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