In view of current research, which of the following is the best summary statement concerning the cause of schizophrenia?
a. Inherited potential and environmental stress combine to bring about disruptive changes in brain chemistry.
b. Schizophrenics are really adapting to an impossible environment created by double-bind communication.
c. A byproduct of adrenaline called adrenochrome accumulates in the schizophrenic's body.
d. Extremely traumatic experiences early in childhood cause the first split in personality to form two different integrated identities in the person with schizophrenia.
ANSWER: a
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What is the term for the reflex that disappears around 8–12 months, and occurs when an infant fans out its toes in response to a stroke on the outside of its foot?
a) Babinski b) Moro c) Startle d) Stepping
Which of the following is true of PKU?
a. PKU causes damage to the central nervous system. b. PKU is almost always fatal unless diagnosed immediately after birth. c. Most children grow out of PKU by adolescence. d. PKU is not apparent in a child's urine or blood work until age four or five.