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jgrou0811 jgrou0811
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6 years ago
During a medication information group, the nurse responds to a question about the basis on which
  the antiepileptic drugs carbamazepine (Tegretol), valproic acid (Depakene), and lamotrigine
  (Lamictal) act to relieve symptoms of mania by saying that
 
  these drugs
  a. preferentially block the reuptake and destruction of serotonin.
  b. reduce the firing rate of high-frequency brain neurons.
  c. exert a powerful and rapid sleep-inducing effect.
  d. produce paradoxical psychostimulation.
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#1
6 years ago
ANS: B
The anticonvulsants mentioned alter electrical conductivity in membranes, slowing the firing rate of
brain neurons. This membrane-stabilizing effect probably accounts for the reduction in mood swings
seen in bipolar clients. Option A is the action of SSRIs. Option C is the action of soporific
benzodiazepines such as flurazepam (Dalmane). Option D: Psychostimulation is produced by drugs
such as methylphenidate (Ritalin), which are used to treat attention deficit hyperactivity disorder.
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