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5 Written Questions

5 Matching Questions

  1. reticular formation
  2. resting potential
  3. depolarization
  4. brainstem
  5. all-or-none law
  1. a refers to the fact that when a neuron fires the signal goes all the way and at full strength
  2. b the brain area just at the top of the spinal cord where the brain and spinal cord meet. it includes a number of regions responsible for basic body functions.
  3. c the process that occurs as positively charged sodium ions enter a neuron and the inside of the cell becomes more positively charged
  4. d the electrical charge on the inside of a neuron at rest. It measures precisely -70 millivolts
  5. e an area in the brainstem that keeps one awake and attentive to things in the environment

5 Multiple Choice Questions

  1. the white, fatty substance that surrounds portions of the axon of a neuron
  2. first described neurons through drawings, calling them "butterflies of the soul"
  3. the feeling that persists in a limb that has been amputated. This demonstrates that the sense of feeling is in the brain
  4. a system of glands located throughout the body that secrete chemicals (hormones) into the bloodstream, often influencing moods and behaviors
  5. a rare genetic disorder that causes a person's hypothalamus to malfunction. the sufferer has an insatiable appetite, always feeling hungry. Other problems include shortness, low muscle tone, and mental retardation

5 True/False Questions

  1. central nervous systemthe brainstem and spinal cord

          

  2. terminalsthe branches at the end of the axon of a neuron that send a chemical signal to a muscle, an organ, or to another neuron

          

  3. amygdalaa brain area located at the end of the hippocampus that is a center for emotions such as fear and anger

          

  4. semipermeablethe surface membrane of a neuron is so called because some things can enter it and some things can enter it and some cannot

          

  5. limbic systemthe brain area just at the top of the spinal cord where the brain and spinal cord meet. it includes a number of regions responsible for basic body functions.

          

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