Test_17_Answrs

Test_17_Answrs - Test 17 Test_17 1. What is the main input...

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Test 17 Page 1 of 2 Test_17 1. What is the main input to the hippocampus? Choose the correct option. A) Entorhinal cortex B) Fornix C) Schaffer collateral D) Ammon's horn 2. The BCM theory proposed by Bienenstock, Cooper, and Munro suggested which of the following about the bidirectional nature of LTP and LTD? Choose the correct option. A) LTP occurs when synaptic stimulation coincides with strong postsynaptic depolarization. B) A single powerful synapse can provide the critical depolarization in the hippocampus. C) LTD and LTP are input specific. D) Synapses that are active when the post-synaptic cell is only weakly depolarized by other inputs undergo LTD instead of LTP. 3. Which of the following is a special feature of the NMDA glutamate receptor? Choose the correct option. A) NMDA have a very high affinity for glutamate so transmitter remains around for a long time. B) Bound glutamate does nothing if the postsynaptic membrane is not depolarized enough. C) The NMDA receptor is clogged with a Mg++ ion that can only be dislodged by strong postsynaptic depolarization. D) All choices are correct. 4. Which of the following hippocampal preparations enhanced the study of LTP and LTD? Choose the correct option. A) Fine recording electrodes
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Test_17_Answrs - Test 17 Test_17 1. What is the main input...

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