VPHY questions - Ion channels that can be opened by...

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Ion channels that can be opened by physiological stimuli (e.g. voltage, ligands) are said to be A. polar. B. aquaporins. C. hypertonic. D. gated . E. amphipathic The brain and spinal cord comprise the A. central nervous system . B. peripheral nervous system. C. peripheral ganglia. D. spinal nerves. E. none of these is correct Cells supporting neuron cell bodies in PNS ganglia are termed A. astrocytes. B. ependymal cells. C . satellite cells . D. Schwann cells. E. Microglia cells Neuroleptics/antipsychotics, which are used to treat schizophrenia/psychosis, are A. dopamine agonists (pro DA drugs). B. Acetylcholine antagonists (anti Ach drugs). C . dopamine antagonists (anti DA drugs) . D. glutamate agonists (pro Glu drugs). E. none of these is an appropriate treatment. During an action potential A. Na+ efflux causes depolarization. B. K+ influx causes repolarization. C. Na+ influx causes depolarization . D. K+ influx causes an after-hyperpolarization.
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This note was uploaded on 09/21/2011 for the course VPHY 3100 taught by Professor W during the Fall '05 term at University of Georgia Athens.

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VPHY questions - Ion channels that can be opened by...

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