sample questions 07

sample questions 07 - SAMPLE EXAM QUESTIONS Multiple...

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Unformatted text preview: SAMPLE EXAM QUESTIONS Multiple Choice: 1. An afferent to the striatum contains both DA and a neuroactive peptide. Which of the following statements could be true? (a) DA and the peptide bind to the same receptor docking site (b) the peptide might influence the ability of DA to open or close ion gates (c) DA could act at the level of the ion gates and the peptide at the level of the nucleus (d) the effects of the peptide might be more long-lasting than those of DA (e) b + c + d 2. It is possible for a given NT to facilitate and inhibit transmission within a given target neuron because (a) this statement is impossible (b) some ion channels can allow either Na + or K + to pass through the same channel (c) there may be multiple subtypes of the NTs receptor on the same target neuron (d) different subtypes of a NTs receptor may be linked to fundamentally different transduction mechanisms (e) c + d 3. Drug X is an indirect agonist at the -NE receptor and when administered increases blood pressure. blood pressure....
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sample questions 07 - SAMPLE EXAM QUESTIONS Multiple...

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