Fall 2005 Neurophysiology Section Exam (PGY 300)

Fall 2005 Neurophysiology Section Exam (PGY 300) - PGY 300...

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PGY 300 Section Exam Fall 2005 The central nervous system does NOT include: a) the cerebrum b) the dorsal horn c) the hippocampus d) the enteric system* e) the reticular formation Astrocyte foot processes surrounding blood vesicles form the: a) blood-brain barrier* b) sodium pump c) substantia nigra d) basal nuclei e) sulci Broca’s area is found in what part of the cerebrum? a) primary somatic sensory area b) sensory association area c) prefrontal association area d) motor association area* e) occipital lobe Deficiency in what neurotransmitter is most closely associated with Parkinson’s disease? a) dopamine* b) acetylcholine c) serotonin d) glutamate e) GABA Which of the following would cause a depolarization of a neuron? a) potassium leaving the cell b) sodium leaving the cell c) calcium leaving the cell d) chloride leaving the cell* e) none of the above In most neurons, sodium concentration is much higher outside the cell than inside. Under these conditions, which of the following is true at the sodium equilibrium potential? a) there is a net influx of sodium into the cell b) there is no concentration gradient for sodium to enter the cell c) there is a net efflux of sodium out of the cell d) the electrical gradient has no effect on sodium ions e) there is no net flux of sodium into or out of the cell*
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If you have information about the gating of a channel, then you know: a) what ion can pass through the channel b) how many ions can pass through the channel every second
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This note was uploaded on 04/17/2008 for the course PGY 300 taught by Professor Krasney during the Fall '05 term at SUNY Buffalo.

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Fall 2005 Neurophysiology Section Exam (PGY 300) - PGY 300...

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