Hormone Regulation and Thyroid Gland

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Questions and Answers

What is the most abundant hormone produced by the thyroid gland?

  • Thyroxine (T4) (correct)
  • Triiodothyronine (T3)
  • Calcitonin
  • Liothyronine (T3)

What is the primary function of Calcitonin?

  • Stimulating thyroid hormone production
  • Regulating calcium levels in the blood
  • Inhibiting thyroid hormone production
  • Regulating bone health (correct)

Which of the following medications is used to treat hyperthyroidism?

  • Levothyroxine
  • Liothyronine
  • Propylthiouracil
  • Methimazole (correct)

What is the result of untreated hyperthyroidism during pregnancy?

<p>Thyroid storm (B)</p> Signup and view all the answers

Which hormone stimulates the production of thyroid hormones?

<p>TSH (C)</p> Signup and view all the answers

What is the effect of Liothyronine (T3) on weight loss?

<p>It is contraindicated for weight loss (B)</p> Signup and view all the answers

Which of the following is a common cause of hyperthyroidism?

<p>Graves' disease (C)</p> Signup and view all the answers

What is the effect of thyroid hormones on the body?

<p>They decrease vasoconstriction (B)</p> Signup and view all the answers

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Study Notes

Hormone Regulation

  • GnRH (Gonadotropin-Releasing Hormone) regulates hormone secretion in the uterus
  • TRH (Thyrotropin-Releasing Hormone) stimulates the release of TSH (Thyroid-Stimulating Hormone) from the anterior pituitary gland

Thyroid Hormones

  • Calcitonin is the most abundant hormone in the thyroid gland
  • T3 (Triiodothyronine) and T4 (Thyroxine) are produced by the thyroid gland
  • T3 is used before thyroid surgery
  • T4 cannot be used for weight loss and must be checked for thyroid levels

Thyroid Disorders

  • Hyperthyroidism can be caused by cancer
  • Treatments for hyperthyroidism include propylthiouracil, methimazole, or surgery
  • BID (twice a day) and QD (once a day) are medication schedules for thyroid treatment

Pregnancy and Thyroid

  • Thyroid storm can occur during pregnancy, causing weight gain, chills, and fever

Bone Health

  • Phosphate is essential for bone health
  • VitD is essential for Phos absorption, and diet plays a crucial role
  • Ent (enteral nutrition) and Cart (cartilage health) are related to bone health

Anterior Pituitary

  • The anterior pituitary gland regulates hormone secretion, including TSH
  • Labor and vasoconstriction are related to anterior pituitary function

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