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10 Cards in this Set
- Front
- Back
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What class of drugs includes muscarinic receptor agonists like pilocarpine? |
Parasympathomimetic |
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In mechanism of long-term potentiation following repetitive stimulation of a synapse, calcium influx through NMDA receptors stimulates an increase in the number of AMPA receptors at the synapse leading to an increase in synaptic strength? True or false |
True |
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Preganglionic fibers in both the sympathetic and the parasympathetic divisions of the autonomic nervous system both the neurotransmitter acetylcholine. True or false |
True |
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Postganglionic fibers in the sympathetic division of the autonomic nervous system release the neurotransmitter acetylcholine. True or false |
False |
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Damage to the Broca’s area in the left frontal lobe can impair speech production? True or false |
True |
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What movement disorder results from death of the neurons found in substantia nigra pars compacta of the midbrain that dopamine in the striatum? |
Parkinson’s disease |
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What ion channels cause repolarization and hyperpolarization during the action potential? |
Voltage-gated potassium channels |
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What ion channels cause rapid depolarization during the rising phase of the action potential? |
Voltage-gated sodium channels |
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How would a muscarinic receptor agonist like pilocarpine effect the smooth muscle of the iris? |
Stimulate contraction of pupillary constrictor muscles |
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Influx of sodium ions through ligand-gated ion channels such as AMPA glutamate receptors on the dendrites of postsynaptic neurons in the brain produces? |
Excitatory postsynaptic potentials |
