The patient diagnosed with schizophrenia asks why psychotropic medications are always prescribed by the doctor. The nurse's answer will be based on information that the thera-peutic action of psychotropic drugs is the result of their effect on:
a. The temporal lobe; especially Wernicke's area
b. Dendrites and their ability to transmit electrical impulses
c. The regulation of neurotransmitters especially dopamine
d. The peripheral nervous system sensitivity to the psychotropic medications
ANS: C
Medications used to treat psychiatric disorders operate in and around the synaptic cleft and have action at the neurotransmitter level, especially in the case of schizophrenia, on dopa-mine. The Wernicke's area, dendrite function, or the sensitivity of the peripheral nervous system are not relevant to either schizophrenia or psychotropic medications.
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