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</p> Signup and view all the answers

    What are the hormones secreted by the Anterior Pituitary called?

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

    Which cells secrete GH in the body?

    <p>Somatotropes</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</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</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</p> Signup and view all the answers

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