Spring 2005 Neurophysiology Final Exam (PGY 300)

Spring 2005 Neurophysiology Final Exam (PGY 300) - PGY 300...

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PGY 300 Final exam: Spring 2005 1.The blood-brain barrier is formed from what structures: a) meninges b) astrocyte feedfeet* c) blood-wall d) skull e) cerebrospinal gap junctions 2. The autonomic nervous system does NOT control: a) smooth muscle b) cardiac muscle c) voluntary (striated) muscle* d) the adrenal gland e) the blood vessels 3. Which part of the peripheral nervous system does NOT use acetylcholine as a neurotransmitter? a) somatic motoneurons b) preganglionic sympathetic neurons c) preganglionic parasympathetic neurons d) postganglionic sympathetic neurons* e) postganglionic sympathetic neurons. 4. The selectivity of an ion channel describes what attribute? a) what ion can pass through the channel* b) how fast the ion will pass through the channel c) the resistance of the channel d) the voltage dependence of channel gating e) whether the channel is an integral membrane protein 5. As the strength of an excitatory synaptic signal increases, how is this encoded in the postsynaptic cell? a) increase in EPSP amplitude and decrease in action potential frequency
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Spring 2005 Neurophysiology Final Exam (PGY 300) - PGY 300...

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