Beginner Thyroid Quiz

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This quiz contains 10 questions. Click below to begin.

Q1. What is the primary function of the thyroid gland?

  • Regulation of metabolism
  • Oxygen transport
  • Blood sugar regulation
  • Immune response control

Q2. Where is the thyroid gland located?

  • Behind the esophagus
  • In front of the trachea, below the larynx
  • On the posterior chest wall
  • Inside the thoracic cavity

Q3. Which two main hormones are secreted by the thyroid gland?

  • ACTH and cortisol
  • TSH and TRH
  • T3 and T4
  • Insulin and glucagon

Q4. How is the thyroid gland connected across its two lobes?

  • Capsule
  • Follicle
  • Isthmus
  • Parenchyma

Q5. What element is essential for thyroid hormone production?

  • Iodine
  • Sodium
  • Iron
  • Calcium

Q6. Which hormone stimulates the thyroid to release its hormones?

  • ACTH
  • ADH
  • TRH
  • TSH

Q7. What is the effect of thyroid hormones on metabolism?

  • Inhibits completely
  • Increases
  • Decreases
  • No effect

Q8. Which small gland in the brain regulates thyroid function indirectly?

  • Adrenal gland
  • Pituitary gland
  • Hypothalamus
  • Pineal gland

Q9. Which structure lies immediately posterior to the thyroid gland?

  • Carotid arteries
  • Laryngeal cartilage
  • Esophagus and recurrent laryngeal nerves
  • Trachea and bronchi

Q10. What condition results from insufficient thyroid hormone production?

  • Hypothyroidism
  • Hyperthyroidism
  • Cushing’s syndrome
  • Addison’s disease