The Endocrine System
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Questions and Answers

Which glands secrete products (hormones) into the bloodstream?

  • Sweat, oil, mucous, & digestive glands
  • Pituitary, thyroid, parathyroid, adrenal, pineal (correct)
  • Hypothalamus, thymus, pancreas, ovaries, testes, kidneys
  • Exocrine glands
  • What is the function of local hormones?

  • Travel in blood
  • Act on neighboring cells (correct)
  • Aid in growth & development
  • Regulate metabolism
  • How do lipid-soluble hormones enter the cell?

  • Pass through nuclear pores
  • Bind to receptor on the cell surface
  • Enter via endocytosis
  • Diffuse through phospholipid bilayer (correct)
  • Which hormones act on distant targets and travel in the blood?

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

    Which functions are regulated by hormones?

    <p>Extracellular fluid, metabolism, contraction of cardiac &amp; smooth muscle</p> Signup and view all the answers

    Study Notes

    Endocrine Glands

    • Endocrine glands secrete products (hormones) directly into the bloodstream.

    Local Hormones

    • Local hormones, also known as paracrine signals, have a local effect on nearby cells or tissues.

    Lipid-Soluble Hormones

    • Lipid-soluble hormones can diffuse through the lipid bilayer of the cell membrane to enter the cell.

    Hormone Action

    • Hormones that act on distant targets are transported through the bloodstream to reach their target cells.
    • These hormones are produced by endocrine glands and can travel long distances to reach their targets.

    Hormone Regulation

    • Hormones regulate various functions, including growth and development, metabolism, and reproductive processes.

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    Quiz Team

    Description

    Test your knowledge of the general functions and definitions of the endocrine system with this quiz. Identify key functions of hormones and understand the differences between endocrine and exocrine glands. This quiz covers topics such as regulation of extracellular fluid, metabolism, muscle contraction, glandular secretion, immune functions, growth, development, and reproduction.

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