The capacity of an antischizophrenic drug to produce tardive ...

[lidoalex]

The capacity of an antischizophrenic drug to produce tardive dyskinesia may result from
 
  a. subsensitivity of dopamine receptors.
  b. reduced release of dopamine.
  c. enhanced release of dopamine.
  d. supersensitivity of dopamine receptors.
  e. degeneration of dopamine neurons in the substantia nigra.

Question 2

PET studies indicate that schizophrenic patients treated with amphetamine show ________ from the striatum and a corresponding ________.
 
  a. reduced release of dopamine; increase in positive symptoms
  b. reduced release of GABA; decrease in positive symptoms
  c. greater release of dopamine; decrease in negative symptoms
  d. greater release of dopamine; increase in positive symptoms
  e. reduced release of serotonin; increase in negative symptoms

[popopong]

Answer to Question 1

Answer: d. supersensitivity of dopamine receptors.

Answer to Question 2

Answer: d. greater release of dopamine; increase in positive symptoms

[lidoalex]

TYSM

[bimper21]

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