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Unformatted text preview: 1. Neurotransmitter action may be terminated by e. Both a and b 2. Synapses between neurons can be all of the following except c. glial cells 3. Supportive cells of the nervous system are called d. glial cells 4. The resting membrane potential is created by c. ion pumps. 5. Metabotropic receptors d. are G protein-linked receptors 6. What determines when an individual neuron will fire an action potential? c. When the sum of all the inputs reaches threshold 7. Which of the following occurs when a stimulus depolarizes a neuron s membrane? c. The membrane potential changes from the resting potential to a voltage closer to the threshold potential. 8. The depolarization of the presynaptic membrane of an axon terminal most directly causes a. voltage-gated calcium channels in the membrane to open 9. Which of the following statements about synapses is false ?...
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- Spring '08