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S07#2 - BS 300 Exam 2A Spring 2007 Name CSU I D 1 The cell...

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BS 300 Name Exam 2A Spring 2007 CSU. ID# 1. The cell bodies of visceral efferent neurons are located in the: a. ventral horn of the spinal cord. b. dorsal horn of the spinal cord c. Intermedolateral gray column of the spinal cord. d brain stem v ° e. c and d are correct. 2. A characteristic of the plasma membranes comprising the input regions of neurons is that they: a. contain many voltage-gated channels. b. are active membrane. c. lack voltage-gated channels d. conduct action potentials e. All except c are correct. 3. Osmium is a heavy metal that binds to lipid and turns black. Which of the following would you expect to be black? 4. In the Bodian classification of the neuron, action potentials can summate in the: & 5. Conductile regions of afferent neurons are first found in the central nervous system in the: ^ dorsal root ganglion. b. ventral root. \. ventral d. dorsal horn. e. spinothalamic tract. 6. In lower motor neurons, most of the kinesin molecules would be located in the:
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BS 300 Exam 2 March 7, 2007 7. In neurons, a major effect of preventing the movement of K + through voltage-gated K + channels (also know as the delayed rectifier channels) would be to: a. reduce the duration of the action potential. b. increase the rate of repolarization. c. hyperpolarize the resting membrane potential. d. increase the duration of the action potential. e. increase the rate of depolarization. 8. Saltatory conduction results because voltage-gated Na + channels are: 9. Damage to the internal capsule would affect:
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