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Endocrine System and Hormones Quiz
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Endocrine System and Hormones Quiz

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Questions and Answers

Which type of hormones behave more like peptide hormones?

  • Amino-acid hormones
  • Adrenaline and noradrenaline (correct)
  • Steroid hormones
  • Thyroid hormones
  • What happens when a non-steroid hormone binds to a cell surface receptor?

  • There is a change in gene expression within the cell (correct)
  • The hormone enters the cell directly
  • The hormone becomes inactive
  • The receptor protein gets degraded
  • How do thyroid hormones behave in terms of binding to receptors?

  • They do not bind to any receptors
  • They bind to cell surface receptors
  • They bind to transport proteins
  • They bind to intracellular receptors (correct)
  • What is the role of the hypothalamus in the endocrine system?

    <p>To control the production of other endocrine glands</p> Signup and view all the answers

    Which hormone is also known as epinephrine?

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

    How do adrenaline and noradrenaline travel through the blood?

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

    What type of hormones are made from cholesterol?

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

    How do steroid hormones travel through the bloodstream?

    <p>Bound to transport proteins</p> Signup and view all the answers

    Where are non-steroid hormones unable to pass through?

    <p>Cell membrane</p> Signup and view all the answers

    What is the defining characteristic of peptidic hormones?

    <p>They are hydrophilic</p> Signup and view all the answers

    Which glands produce steroid hormones?

    <p>Adrenal glands and gonads</p> Signup and view all the answers

    What happens when steroid hormones enter the target cell?

    <p>They bind to a receptor and activate certain genes in the nucleus</p> Signup and view all the answers

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