Neurotransmitters, Endocrine Hormones, and Paracrines Quiz
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Questions and Answers

Where are neurotransmitters released by axon terminals of neurons?

  • Extracellular fluid
  • Synaptic junctions (correct)
  • Circulating blood
  • Glands

Which hormones influence the function of target cells at another location in the body?

  • Neuroendocrine hormones
  • Autocrines
  • Paracrines
  • Endocrine hormones (correct)

Where are paracrines secreted and what do they affect?

  • Extracellular fluid, neighboring target cells of a different type (correct)
  • Glands, neighboring target cells of a different type
  • Circulating blood, neighboring target cells of a different type
  • Synaptic junctions, same cells that produced them

What is the function of autocrines?

<p>Affect the function of the same cells that produced them (D)</p> Signup and view all the answers

What are cytokines and how do they function?

<p>Peptides secreted by cells into the extracellular fluid, can function as autocrines, paracrines, or endocrine hormones (A)</p> Signup and view all the answers

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