Thyroid physiology 1
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- Question
- Answer
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- What are the 3 major hormones secreted by the thyroid?
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- What chemical class do the thyroid hormones belong to?
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- What is another name for thyrotropin?
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- T3 has a [...]tive feedback effect on TSH release by the anterior pituitary.
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- What is another name for T3?
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- What is another name for triiodothyronine?
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- What general effect do T3 and T4 have on the body?
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- Which hormone stimulates the thyroid to release T3 and T4?
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- Where in the body is the thyroid gland located?
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- T3 and T4 are secreted by the [...].
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- What are T3 and T4 necessary for the development of?
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- What do T3 and T4 regulate in the adult?
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- TRH is secreted by the [...].
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- TSH is secreted by the [...].
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- TSH stimulates the secretion of [...] from the thyroid.
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- The thyroid consists of [...] lobes connected by the [...].
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- The isthmus of the thyroid lies at the level of the [...]-[...]th tracheal rings.
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- The isthmus of the thyroid may be joined to the [...] bone by a fibrous cord.
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- Do thyroid hormones circulate in the blood in free form or in bound form?
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- Is T3 more or less active than T4?
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- Is reverse T3 more or less active than T4?
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- Which 2 arteries supply the thyroid?
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- Which gland contains 60% of the body's iodine?
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- TSH [...]-regulates the secretion of T3 and T4 from the thyroid.
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- T3 [...]-regulates the secretion of TRH from the hypothalamus.
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- T3 [...]-regulates the secretion of TSH from the anterior pituitary.
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- Where in the body is T4 converted into T3?
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- Does T3 or T4 act more potently at thyroid receptors?
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- Of T3 or T4, which hormone down-regulates the secretion of TRH and TSH?
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- What effect does thyroid hormone have on transcription?
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- What effect does thyroid hormone have on protein synthesis?
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- What effect does thyroid hormone have on Na+/K+ ATPase levels?
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- What effect does thyroid hormone have on ATP turnover?
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- What effect does thyroid hormone have on oxygen consumption?
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- What effect does thyroid hormone have on adrenoreceptor numbers?
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- What effect does thyroid hormone have on heat production?
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- What effect does thyroid hormone have on cardiac muscle contractility?
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- What effect does thyroid hormone have on sensitivity to catecholamines?
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- What effect does thyroid hormone have on gut motility?
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- What effect does thyroid hormone have on erythropoiesis?
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- What effect does thyroid hormone have on bone turnover?
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- What effect does thyroid hormone have on protein turnover?
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- What effect does thyroid hormone have on cholesterol degradation?
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- What effect does thyroid hormone have on hypoxic and hypercapnic drive in the respiratory centre?
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- The dietary requirement of iodine is [...] µg/day.
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- The thyroid derives from [...]derm.
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- T3 has a half-life of [...] while T4 has a half-life of [...].
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- Calcitonin is secreted by the [...] cells of the thyroid gland.
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- Calcitonin is secreted by the C cells of the [...] gland.
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- The embryological [...] normally disappears but may persist as the pyramidal lobe of the thyroid.
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- The embryological thyroglossal duct normally disappears but may persist as the [...] lobe of the thyroid.
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