Midterm 2012

B at inhibitory synapses the neurotransmitter

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Unformatted text preview: synapses, the neurotransmitter released is GABA or glycine. C. In vertebrates, the synapses between motor neurons and muscle cells can be excitatory or inhibitory. D. A postsynaptic cell sums excitatory and inhibitory input; this summation may occur over either space or time. E. At excitatory synapses, the postsynaptic neuron responds to a neurotransmitter by depolarizing. 36. Mark all that are true of olfaction. A. The sensory cell is a modified neuron. B. A particular odorant molecule is able to stimulate more than one kind of olfactory receptor. C. Each olfactory glomerulus receives input from sensory cells expressing different receptor proteins. D. The receptor is an ionotropic receptor. E. Each odorant activates a unique combination of glomeruli in the olfactory bulb. 37. Which of the following statements about multiple sclerosis is FALSE? A. Diagnosis can be by magnetic resonance imaging. B. It has been linked with a deficiency of vitamin D. C. It is an autoimmune disease that results from demyelination. D. Clinical remission can result from redistribution of sodium channels. E. All the statements are true, none are false 38. Which of the following does NOT occur during inflammation and wound healing? A. Cytokines and complement proteins attract immune cells to the wound. B. Some cytokines elevate body temperature. C. Neutrophils a...
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This note was uploaded on 02/13/2014 for the course MCDB 1B taught by Professor Weimbs during the Winter '08 term at UCSB.

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