Which statement about the genetic basis of schizophrenia is true?

A. Adoption studies indicate no biological basis for schizophrenia.
B. The concordance rate for schizophrenia is higher for dizygotic than for monozygotic twins.
C. A person with a "schizophrenia gene" will always develop schizophrenia.
D. Genes impart a susceptibility to develop schizophrenia.


Answer: D

Psychology

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Henry is 95 years of age and lives alone since his wife died three years ago. Every morning he gets up, takes a shower, and goes for a walk. He comes home, takes his daily medication, and has a healthy breakfast. He watches a little television, takes an hour-long nap, and then sits in his yard and reads or chats with neighbors as they stroll by. He has lunch, watches sports on television for a

while, and then relaxes until dinner time. Sometimes he cooks, and sometimes he goes out to dinner. Before bed he takes his evening medications, brushes his teeth, and goes to sleep. Clearly, Henry's level of ________ health is quite high! a. appropriate b. functional c. daily d. instrumental

Psychology

In studies conducted by Elizabeth Loftus and her colleagues, individuals were told about false events that had supposedly occurred when they were children. The results of these studies indicate that

a. people cannot be convinced of events that did not happen b. people can become quite convinced of events that never happened. c. only individuals with diagnosable disorders can be convinced of events that never happened. d. people can become convinced of events that did not happen only during hypnosis or other dissociative states.

Psychology

Having a deficiency in serotonin can lead to

a. the development of multiple sclerosis. b. neuron death. c. the development of Parkinson's disease. d. depression.

Psychology

A phobia is an exaggerated, unrealistic fear of a specific situation, object, or activity

Indicate whether this statement is true or false.

Psychology