44 Pharmacology – 2
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1. The use of ethanol in methanol poisoning is an example of competitive agonism. | ![]() |
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2. Compliance therapy has been shown to improve the outcome in patients prescribed neuroleptic medication. | ![]() |
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3. Zero-order kinetics can be correctly described in terms of half-life. | ![]() |
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4. Heteroceptors regulate neurotransmitter release. | ![]() |
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5. Heteroceptors can be ionotropic or metabotropic. | ![]() |
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6. Acetylcholine is a transmitter at some postganglionic sympathetic neuroeffector junctions. | ![]() |
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7. Muscarinic receptors are coupled to ion channels. | ![]() |
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8. Pregabalin binds to the alpha 2 delta subunit of voltage-sensitive calcium channels. | ![]() |
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9. DHEA has an effect opposite to that of cortisol. | ![]() |
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10. Benzhexol inhibits dopamine secretion. | ![]() |
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11. The firing rate of neurons in the mesolimbic pathway changes in anticipation of pleasurable stimuli. | ![]() |
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12. Dopamine receptors are postsynaptic but not presynaptic. | ![]() |
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13. Raclopride is used to study dopamine receptor binding. | ![]() |
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14. Opiates regulate dopamine activity. | ![]() |
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15. Glutamate concentration is increased in post-mortems of schizophrenic brains. | ![]() |
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16. Magnesium ions block NMDA receptors. | ![]() |
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17. Nicotine reaches the brain within 5–6 seconds after inhalation. | ![]() |
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18. Nicotine increases the brain dopamine in the mesolimbic region. | ![]() |
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19. The NMDA receptor is a voltage gated channel. | ![]() |
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20. β-adrenergic receptors are stimulatory. | ![]() |
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21. The upper limit for a normal QT interval is approximately 400 ms. | ![]() |
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22. Increased 5-HT in the periaqueductal grey matter increases the fright/flight response. | ![]() |
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23. Serotonin transporter gene polymorphisms are associated with violence. | ![]() |
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24. In neuroimaging, iodobenzamide may be used as a ligand for 5-HT2A receptors. |