Hormone Concentration and Target Cells Quiz
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Questions and Answers

What is a determinant of the concentration of a hormone at the target cell?

  • The metabolism (activation or inactivation) of the hormone in the target cell
  • The postreceptor desensitization of the cell
  • The proximity of the target cell to the hormone source (dilution effect) (correct)
  • The rate of clearance from plasma by other tissues or by digestion, metabolism, or excretion
  • What can determine the target cell response to a hormone?

  • The conversion of inactive or suboptimally active forms of the hormone into the fully active form
  • The dissociation constants of the hormone with specific plasma transport proteins (if any)
  • The rate of synthesis and secretion of the hormones
  • The number, relative activity, and state of occupancy of the specific receptors on the plasma membrane or in the cytoplasm or nucleus (correct)
  • What can lead to up- or down-regulation of the receptor consequent to the interaction with the ligand?

  • The rate of clearance from plasma by other tissues or by digestion, metabolism, or excretion
  • The presence of other factors within the cell that are necessary for the hormone response
  • The metabolism (activation or inactivation) of the hormone in the target cell
  • The conversion of inactive or suboptimally active forms of the hormone into the fully active form (correct)
  • What can affect the concentration of a hormone at the target cell due to the dilution effect?

    <p>The rate of synthesis and secretion of the hormones</p> Signup and view all the answers

    What can determine the metabolism (activation or inactivation) of the hormone in the target cell?

    <p>The presence of other factors within the cell that are necessary for the hormone response</p> Signup and view all the answers

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