Pituitary Gland Anatomy and Function

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Questions and Answers

What is the size of the Pituitary Gland?

  • 1 cm
  • 2.3 cm
  • 3 in.
  • 0.5 in. (correct)

Which structure attaches the Pituitary Gland to the hypothalamus?

  • Infundibulum (correct)
  • Vermis
  • Cerebellum
  • Medulla

From where is the Anterior Pituitary embryologically derived?

  • Gut tube
  • Oral cavity (correct)
  • Neural tube
  • Notochord

Which part of the Anterior Pituitary is responsible for major endocrine functions?

<p>Pars distalis (A)</p> Signup and view all the answers

What are the hormones secreted by the Anterior Pituitary called?

<p>Trophic hormones (D)</p> Signup and view all the answers

What is the function of GH when increased above the physiological level?

<p>Increases oxidation of fatty acids for energy and increases plasma levels of ketone bodies (B)</p> Signup and view all the answers

Which cells secrete GH in the body?

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

What is the direct effect of GH on target cells?

<p>Increases oxidation of fatty acids for energy (C)</p> Signup and view all the answers

What happens when there is abnormally increased GH above the physiological level?

<p>Has a diabetogenic effect by decreasing glucose uptake (A)</p> Signup and view all the answers

What are the characteristics of dwarfism due to disorders of GH secretion?

<p>GRH decreases in the blood and skeletal growth is arrested (C)</p> Signup and view all the answers

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