Endocrinology: Growth Hormone and Pituitary Function
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Questions and Answers

What is the primary function of Growth Hormone (GH)?

  • Regulate glucose synthesis
  • Increase cortisol levels
  • Promote growth of bone and soft tissues (correct)
  • Inhibit milk production
  • Excess growth hormone in adults is known as gigantism.

    False

    What hormone is released from the hypothalamus to promote Growth Hormone release?

    Growth Hormone Releasing Hormone (GHRH)

    Growth hormone deficiency during childhood leads to _____

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

    Which factors are known to decrease the secretion of Growth Hormone?

    <p>Increases in glucose and free fatty acids</p> Signup and view all the answers

    Match the following conditions to their respective causes:

    <p>Dwarfism = Growth hormone deficiency Gigantism = Excess growth hormone in childhood Acromegaly = Excess growth hormone in adulthood Insulin-like growth factors (IGFs) = Produced in response to GH action</p> Signup and view all the answers

    Somatostatin enhances the release of Growth Hormone.

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

    What is a common cause of gigantism?

    <p>Pituitary tumor</p> Signup and view all the answers

    Which hormone is secreted by somatotrophs?

    <p>Growth hormone (GH)</p> Signup and view all the answers

    Corticotrophs secrete prolactin, which promotes milk production.

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

    What are the two gonadotropins secreted by gonadotrophs?

    <p>Luteinizing hormone (LH) and follicle stimulating hormone (FSH)</p> Signup and view all the answers

    The hormone that inhibits the release of growth hormone from somatotrophs is called ___.

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

    Match the anterior pituitary hormones with their functions:

    <p>TSH = Stimulates thyroid hormone synthesis PRL = Promotes milk production ACTH = Stimulates glucocorticoid release FSH = Stimulates sperm production</p> Signup and view all the answers

    What role does luteinizing hormone (LH) play in females?

    <p>Induces ovulation and corpus luteum formation</p> Signup and view all the answers

    Dopamine acts on lactotrophs to increase prolactin release.

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

    Name the hypothalamic hormone that stimulates the release of adrenocorticotropic hormone (ACTH).

    <p>Corticotropin releasing hormone (CRH)</p> Signup and view all the answers

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