Spinothalamic tract d both 2 and 3 score value 0 0 0

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Unformatted text preview: noid C. in the subdural space D. in the central canal of the spinal cord Score: Value 100% 0% 0% 0% 1/1 7. Multipolar neurons function as: Student Response A. B. C. D. spinal and cranial nerve sensory neurons spinal and cranial nerve motor neurons spinal and cranial interneurons all of the above E. #2 and #3 only Score: Value 0% 0% 0% 0% 100% 1/1 8. Unmyelinated fiber, synapses, and cell bodies in the brain and spinal cord are located in: Student Response A. gray matter B. white matter C. dorsal root ganglion D. ventral root ganglion Score: Value 100% 0% 0% 0% 1/1 9. The receptive region of a multipolar neuron would include: A. the dendrites B. the cell body C. the axon hillock D. all of the above Student Response Value 0% 0% 0% 100% E. #1 and #2 only 0% Score: 1/1 10. The cell bodies of spinal sensory neurons are located in: A. spinal gray matter B. spinal white matter C. dorsal root ganglion Student Response Value 0% 0% 100% D. ventral root ganglion 0% Score: 1/1 View Attempt 1 of 2 Title: Started: Submitted: Time spent: Quiz #8 Neurophysiology November 6, 2008 1:47 PM November 6, 2008 1:51 PM 00:04:21 Total score: 10/10 = 100% Total score adjusted by 0.0 Maximum possible score: 10 1. Prior sub-threshold depolarization of a reflex pathway produces: Student Response A. facilitation B. inhibition C. divergence D. convergence Score: Value 100% 0% 0% 0% 1/1 2. Once an action potential is generated, another cannot be generated until the ion gates return to the following configuration: Student Response + A. Na activation gate closed, Na inactivation gate open, K gate closed. Value 100% B. Na+ activation gate closed, Na+ inactivation gate closed, K+ gate closed. C. Na+ activation gate open, Na+ inactivation gate open, K+ gate closed. D. Na+ activation gate closed, Na+ inactivation gate closed, K+ gate open. 0% 0% + Score: + 0% 1/1 3. Opening of the chemically-gated K+ channels would produce: Student Response A. B. C. D. E. depolarization hyperpolarization EPSP IPSP Both #1 and #3. F. Both #2 and #4. Score: Value 0% 0% 0% 0% 0% 100% 1/1 4. The crossed extensor reflex consists of: Student Response A. A withdrawal reflex on one side of the body and a stretch reflex on the other side. B. A withdrawal reflex on one side of the body and a tendon reflex on the other side. C. A withdrawal reflex on one side of the body and extension on the other side. Value 0% 0% 100% Student Response D. A withdrawal reflex on one side of the body and a flexor reflex on the other side. Score: Value 0% 1/1 5. Threshold depolarization will result in an action potential when it occurs at: Student Response A. chemically-gated ion channels only B. voltage-gated ion channels only C. Both chemically-gated and voltage-gated ion channels. D. The receptive region. Score: Value 0% 100% 0% 0% 1/1 6. Prior sub-threshold hyperpolarization of a reflex pathway produces: Student Response A. facilitation B. inhibition C. divergence D. convergence Score: Value 0% 100% 0% 0% 1/1 7. A demyelination disorder of...
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