Answers to Figure Legend Questions

  1. 9 It would become lower (more negative).
  2. 16 They are axosomatic.
  3. 21 One EPSP is a voltage change of only 0.5 mV or so. It requires a change of about 15 mV to bring a neuron to threshold.
  4. 25 The CNS interprets a stimulus as more intense if it receives signals from high-threshold sensory neurons than if it receives signals only from low-threshold neurons.
  5. 27 A reverberating circuit, because a neuron early in the circuit is continually restimulated
Essentials of Human Physiology

Essentials of Human Physiology

This ebook provides an introductory explanation of the workings of the human body, with an effort to draw connections between the body systems and explain their interdependencies. A framework for the book is homeostasis and how the body maintains balance within each system. This is intended as a first introduction to physiology for a college-level course.

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