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6. Thyrotropin-releasing hormone (TRH) from hypothalamus, goes to what from anterior pituitary (thyrotroph cells)?

  • Thyroid-stimulating hormone (TSH)
  • Follicle-stimulating hormone (FSH)
  • Human growth hormone (hGH)

7. T3 & T4 cause: select incorrect answer

  • ↑ Use of glucose for ATP production
  • ↑ Metabolic rate
  • ↑ K+ reuptake
  • ↑ Breakdown of fats
  • ↑ Protein synthesis

8. Hypothyroidism can be treated with

  • T2
  • T4
  • T3

9. Treatment of hyperthyroidism: select wrong answer

  • ANTITHYROID DRUGS
  • CBTherapy
  • 2 regimes: “titration” (18 months) or “block and replace” (6 months)
  • Block conversion of T4 to T3 (propylthiouracil) and Block TGB synthesis

10. thyroid hormones have what effect on carbohydrates - uptake from GI tract

  • increase
  • decrease

11. Thyroid hormones are controlled via?

  • pituitary and hypothalamus
  • ANS and hypothalamus
  • pituitary and ANS

12. what is the thyroid gland able to secrete from the blood stream

  • calcium
  • iodine
  • potassium
  • sodium

13. what deficiency is Goitre?

  • calcium
  • iodine
  • hGH
  • thyroid hormone

14. location of thyroid

  • attached to thymus
  • attached to larynx
  • posterior to thymus
  • superior to thymus

15. Production of Thyroid Hormone, what happens to tyrosine in colloid?

  • Follicularisation
  • Iodination
  • Proliferation

16. longer half life in blood?

  • T4
  • T3

17. Production of Thyroid Hormone, what Trap iodide, active, against steep concn grad
Na+/I- symporter (NIS) and I-/Cl- porter (pendrin, PDS)
Synthesise glycoprotein thyroglobulin (TGB)
Release TGB into colloid

  • follicular cells
  • thyroid glands
  • GPCRs

18. effect of Administration of thyroid hormones on BASAL METABOLIC RATE (BMR) in adults

  • increase
  • decrease