Results and stats for "Thyroid physiology 1"

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Most correctly guessed answers

- - What is another name for triiodothyronine?
  - T3
  - 100.0%
- - What general effect do T3 and T4 have on the body?
  - Increase the basal metabolic rate
  - 100.0%
- - Which hormone stimulates the thyroid to release T3 and T4?
  - TSH
  - 100.0%
- - Where in the body is the thyroid gland located?
  - Below the thyroid cartilage in the neck
  - 100.0%
- - T3 and T4 are secreted by the [...].
  - thyroid gland
  - 100.0%
- - What do T3 and T4 regulate in the adult?
  - Metabolism
  - 100.0%
- - TSH is secreted by the [...].
  - anterior pituitary gland
  - 100.0%
- - TSH stimulates the secretion of [...] from the thyroid.
  - T3 and T4
  - 100.0%
- - Which gland contains 60% of the body's iodine?
  - Thyroid
  - 100.0%
- - TSH [...]-regulates the secretion of T3 and T4 from the thyroid.
  - up
  - 100.0%
- - T3 [...]-regulates the secretion of TSH from the anterior pituitary.
  - down
  - 100.0%
- - Does T3 or T4 act more potently at thyroid receptors?
  - T3
  - 100.0%
- - What effect does thyroid hormone have on protein synthesis?
  - Increase
  - 100.0%
- - What effect does thyroid hormone have on ATP turnover?
  - Increase
  - 100.0%
- - What effect does thyroid hormone have on oxygen consumption?
  - Increase
  - 100.0%
- - What effect does thyroid hormone have on adrenoreceptor numbers?
  - Increase
  - 100.0%
- - What effect does thyroid hormone have on heat production?
  - Increase
  - 100.0%
- - What effect does thyroid hormone have on cardiac muscle contractility?
  - Increase
  - 100.0%
- - What effect does thyroid hormone have on sensitivity to catecholamines?
  - Increase
  - 100.0%
- - What effect does thyroid hormone have on erythropoiesis?
  - Increase
  - 100.0%
- - What effect does thyroid hormone have on bone turnover?
  - Increase
  - 100.0%
- - What effect does thyroid hormone have on protein turnover?
  - Increase
  - 100.0%
- - What effect does thyroid hormone have on cholesterol degradation?
  - Increase
  - 100.0%
- - Calcitonin is secreted by the C cells of the [...] gland.
  - thyroid
  - 100.0%
- - T3 has a [...]tive feedback effect on TSH release by the anterior pituitary.
  - nega
  - 87.5%
- - TRH is secreted by the [...].
  - hypothalamus
  - 87.5%
- - The thyroid consists of [...] lobes connected by the [...].
  - 2, isthmus
  - 87.5%
- - Do thyroid hormones circulate in the blood in free form or in bound form?
  - Bound (mainly)
  - 87.5%
- - Is T3 more or less active than T4?
  - More
  - 87.5%
- - Is reverse T3 more or less active than T4?
  - Inactive, so less
  - 87.5%
- - Which 2 arteries supply the thyroid?
  - Superior and inferior thyroid arteries
  - 87.5%
- - T3 [...]-regulates the secretion of TRH from the hypothalamus.
  - down
  - 87.5%
- - Where in the body is T4 converted into T3?
  - Peripheral tissue
  - 87.5%
- - Of T3 or T4, which hormone down-regulates the secretion of TRH and TSH?
  - T3
  - 87.5%
- - What effect does thyroid hormone have on transcription?
  - Increase
  - 87.5%
- - What effect does thyroid hormone have on Na+/K+ ATPase levels?
  - Increase
  - 87.5%
- - What effect does thyroid hormone have on gut motility?
  - Increase
  - 87.5%
- - The embryological thyroglossal duct normally disappears but may persist as the [...] lobe of the thyroid.
  - pyramidal
  - 87.5%
- - What are the 3 major hormones secreted by the thyroid?
  - T3
    T4
    Calcitonin
  - 75.0%
- - What is another name for T3?
  - Triiodothyronine
  - 75.0%
- - The isthmus of the thyroid may be joined to the [...] bone by a fibrous cord.
  - hyoid
  - 75.0%
- - Calcitonin is secreted by the [...] cells of the thyroid gland.
  - C
  - 75.0%
- - What effect does thyroid hormone have on hypoxic and hypercapnic drive in the respiratory centre?
  - Maintenance
  - 62.5%
- - T3 has a half-life of [...] while T4 has a half-life of [...].
  - 1 day, 6 days
  - 62.5%
- - What chemical class do the thyroid hormones belong to?
  - Tyrosine derivative
  - 50.0%
- - What is another name for thyrotropin?
  - Thyroid-stimulating hormone (TSH)
  - 50.0%
- - What are T3 and T4 necessary for the development of?
  - Brain
  - 50.0%
- - The isthmus of the thyroid lies at the level of the [...]-[...]th tracheal rings.
  - 2, 4
  - 50.0%
- - The dietary requirement of iodine is [...] µg/day.
  - 150
  - 50.0%
- - The thyroid derives from [...]derm.
  - endo
  - 50.0%
- - The embryological [...] normally disappears but may persist as the pyramidal lobe of the thyroid.
  - thyroglossal duct
  - 37.5%