Which of the Following Findings Presents a Serious Challenge to the Theory

question 51

Multiple Choice

Which of the following findings presents a serious challenge to the theory of schizophrenia that proposes an excess amount of dopamine to be at the core of this disorder?

• A)Antipsychotic drugs relieve the symptoms of both drug psychoses and the psychosis of schizophrenia.
• B)Homovanillic acid,the major metabolite of dopamine,is not present in greater amounts in schizophrenics.
• C)Positive symptoms of schizophrenia are reduced by antipsychotic drugs more than negative symptoms.
• D)None of the above represents a challenge to the dopamine activity theory.

---

Definitions:

Single Range

This term could refer to devices or instruments that have only one scale or measurement range, limiting their versatility across different measurement values.

Ayrton Shunt

An ammeter shunt that permits multiple range values.

Current Transformer

A transformer used for metering alternating current. Current transformers generally have a standard output current value of 5 A at rated primary current.

Moving Vane

A mechanical component in some measurement devices that moves in response to an external physical quantity, such as fluid flow or electrical current.