Which of the Following Suggests That Dopamine Receptors Are Mainly

question 77

Multiple Choice

Which of the following suggests that dopamine receptors are mainly related to positive (not negative) symptoms of schizophrenia?

• A)Antipsychotic drugs reduce only positive symptoms.
• B)Administering dopamine produces little increase in positive symptoms.
• C)MRIs of schizophrenics with positive symptoms show more receptors.
• D)Parkinson's Disease involves similar symptoms.

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Definitions:

Gene Tree

A graphical representation showing the inferred evolutionary relationships among various genes from different species based on their DNA sequence.

Homologous

Referring to structures or genes that are similar in different species due to common ancestry, often performing similar functions.

Orthologs

Genes in different species that evolved from a common ancestral gene by speciation, retaining the same function.

Single Nucleotide Polymorphisms

Variations at a single location in the DNA sequence among individuals, which can affect how humans develop diseases and respond to pathogens, chemicals, drugs, etc.