Which Statement About Research on the Genetics of Schizophrenia Is

question 90

Multiple Choice

Which statement about research on the genetics of schizophrenia is accurate?

• A)Too little genetic research has been done to come to any conclusions.
• B)Very few people believe that heredity plays a major role in causing schizophrenia.
• C)Such research shows that schizophrenia occurs only among identical and fraternal twins.
• D)Although there is much controversy, evidence indicates that genetic factors play an important, yet complicated, role.

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Definitions:

Counterirritation

A method for managing pain or discomfort by intentionally inducing a second, less severe pain or irritation, to distract from the original pain.

Chronic Pain

A persistent pain that continues for weeks, months, or even years beyond the usual recovery period or occurs along with a chronic health condition.

Gate Control Theory

The proposal that pain sensations must pass through a neural “gate” in order to reach the brain and can be blocked at that gate by neurons that inhibit signals from the nociceptors.

Nocioception

The sensory nervous system's response to certain harmful or potentially harmful stimuli.