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5-HT3 receptor: Quiz

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Question 1: The 5-HT3 receptor differs markedly in structure and mechanism from the other ________ subtypes, which are all G-protein-coupled.
5-HT1A receptor5-HT2A receptor5-HT2C receptor5-HT receptor

Question 2: [2] On a cellular level, it has been shown that postsynaptic 5-HT3 receptors mediate fast excitatory synaptic transmission in rat neocortical interneurons and ________, and in ferret visual cortex.
AmygdalaOlfactory bulbHippocampal formationAnterior olfactory nucleus

Question 3: The 5-HT3 receptor is expressed throughout the central and ________ and mediates a variety of physiological functions.
Brachial plexusPeripheral nervous systemSpinal cordAutonomic nervous system

Question 4: PNS: neuronal excitation (in autonomic, nociceptive neurons), ________[13]
Abdominal painNauseaDiarrheaVomiting

Question 5: Binding of the ________ 5-hydroxytryptamine (serotonin) to the 5-HT3 receptor opens the channel, which, in turn, leads to an excitatory response in neurons.
NeuromodulationNeurotransmitterDopamineOxytocin







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