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The Mechanisms of Hormone Action

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Choose an answer and hit 'next'. You will receive your score and answers at the end.

question 1 of 3

At their most basic, what are hormones?

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1. If an endocrine gland receives a signal to start making hormones from low levels of ions or nutrients in the blood, what kind of signal was it?

2. If a hormone performs an autocrine action, where is it taking the information?

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About This Quiz & Worksheet

This quiz and corresponding worksheet are designed to measure your knowledge of hormones and hormone action. You must be familiar with what hormones are and the different signals sent by hormonal release to complete this short quiz.

Quiz & Worksheet Goals

You will need to demonstrate the following in order to successfully answer all quiz questions:

  • Describe what hormones are
  • Identify the type of signal wherein the endocrine gland is signaled to start making hormones from low levels of nutrients in the blood
  • Discuss where a hormone is taking information when performing an autocrine action
  • Detail how hormones find their target cells
  • Recognize where secondary messengers of hormones deliver information

Skills Practiced

  • Defining key concepts - ensure that you can accurately define hormones
  • Interpreting information - verify that you can read information about how hormones find their target cells and interpret it correctly
  • Information recall - access the knowledge you've gained regarding secondary messengers of hormones
  • Knowledge application - use your knowledge to answer questions about where information is taken during an autocrine action and what signal starts the endocrine gland making hormones from low ions or nutrients in the blood

Additional Learning

You will have the opportunity to review more details about this topic using the lesson titled The Mechanisms of Hormone Action. Information covered in this lesson includes:

  • How the Pony Express message delivery system can be compared to hormones
  • What homeostasis means
  • How many stimuli tell endocrine glands to start secreting hormones
  • Where messages are delivered in paracrine and endocrine actions
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