Clinical biochem- hormones 0.0 / 5 ? ChemistryENDOCRINOLOGYUniversityAll boards Created by: LouCreated on: 20-04-17 13:47 which hormones are produced by the thyroid gland? thyroxine (T4), triiodothyronine (T3) and calcitonin 1 of 14 What are the two major types of endocrine disorder? Hypofunction and hyperfunction 2 of 14 In primary hyperthyroidism, would you expect a raised or lowered TSH? lowered (due to -ve feedback of thyroxine (T4) 3 of 14 What is meant by an ectopic hormone? hormones produced by tumours derived from tissues that are not normally engaged in the production of that hormone 4 of 14 What connects the 2 lobes in the thyroid gland? isthmus 5 of 14 What is TRH? thyrotropin-releasing hormone 6 of 14 What is TSH? thyroid-stimulating hormone 7 of 14 What is the usual cause of primary hyperthyroidism? problem with thyroid gland; excessive hormone production 8 of 14 What is the usual cause of secondary hyperthyroidism? a tumour in the pituitary gland 9 of 14 What is Graves disease and what does it cause? autoimmune- antibodies bind to TSH receptors and chronically stimulate them- T3 and T4 levels elevated 10 of 14 What is Hashimoto's disease and what does it cause? autoimmune- thyroid is gradually being destroyed, loss of hormone synthesis 11 of 14 Which plasma proteins are involved in transporting thyroid hormones? Thyroid-binding globulin, pre-albumin and albumin 12 of 14 Which thyroid hormone is active at the cellular level? Triiodothyronine (T3) 13 of 14 Most modern labs measure which hormones in their thyroid screen? Free T4 and TSH 14 of 14
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