The Human Brain

Biology

Quiz 11 :

Organization of the Brain Stem

Quiz 11 :

Organization of the Brain Stem

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Which of the following factors influences the conduction velocity of the action potential through the axon?
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D

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In the normal axon, reverse propagation of the action potential is not possible because the membrane is
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A

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A 31-year-old woman is diagnosed with depression and prescribed a selective serotonin reuptake inhibitor. Which of the following is a precursor of serotonin?
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C

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Which of the following is considered the rate-limiting step in the synthesis of acetylcholine?
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The stimulus intensity required to initiate an action potential is referred to as which of the following?
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Which of the following most accurately represents the order of events for transmission at a G-protein coupled receptor?
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High concentrations of acetylcholine maintained at the neuromuscular junction for several seconds would result in which of the following?
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A research scientist is interested in the effects of various toxins on the action potential in nerve cells. During one of the electrophysiological tests, the scientist injects tetrodotoxin (TTX) into the bathing solution. Which aspect of the action potential will most likely be affected by the injection of TTX?
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The undershoot of the action potential is primarily attributable to which of the following?
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Connections to the globus pallidus from the putamen are an example of an inhibitory synapse in the central nervous system that utilizes which of the following neurotransmitters?
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