Hypothalamus and Pituitary Gland
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Questions and Answers

What is a critical component for thyroid hormone synthesis?

  • Glucagon
  • Catecholamines
  • Thyroglobulin
  • Iodine (I) from food (correct)

What is the term for the constellation of defects resulting from untreated neonatal hypothyroidism?

  • Thyroiditis
  • Hypothyroidism
  • Cretinism (correct)
  • Hyperthyroidism

What is a symptom of Hyperthyroidism?

  • Fatigue
  • Weight gain
  • Losing weight without trying (correct)
  • Decreased heart rate

What is the function of Somatostatin (SS) in the regulation of GH secretion?

<p>Inhibits GH secretion (A)</p> Signup and view all the answers

What is the effect of Growth Hormone (GH) on lipid metabolism?

<p>Increases lipid breakdown (B)</p> Signup and view all the answers

What is the effect of Thyroid Hormones on basal metabolic rate (BMR)?

<p>Increases BMR (B)</p> Signup and view all the answers

What is the primary function of antidiuretic hormone (ADH) in the body?

<p>Increase in water absorption by the kidneys (A)</p> Signup and view all the answers

What is the effect of a lack of iodine on the thyroid gland?

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

Which hormone is responsible for regulating the production of glucocorticoids?

<p>Adrenocorticotropic hormone (ACTH) (B)</p> Signup and view all the answers

What is the approximate percentage of T4 that is bound to serum proteins?

<p>99.98% (D)</p> Signup and view all the answers

What is the role of gonadotropin-releasing hormone (GnRH) in the body?

<p>Stimulation of the gonads (C)</p> Signup and view all the answers

What is the primary function of the posterior pituitary?

<p>Storage and release of hormones produced by the hypothalamus (C)</p> Signup and view all the answers

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