A disorder, often of unknown cause, characterized by seizures is called:
A. cystic fibrosis
B. spina bifida
C. epilepsy
D. thyrotoxicosis
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An instrument used to study the electric activity of the brain is the:
A. electrocardiograph
B. electroencephalograph
CT scanner
D. sonograph
The root cortic/o means：
A. spinal cord
B. cerebral cortex
C. bone marrow
D. heart ventricle
Skeletal muscles are voluntarily controlled by the
A. central nervous system
B. somatic nervous system
C. parasympathetic nervous system
D. sympathetic nervous system
The word anencephaly means：
A. below the cerebrum
B. absence of a cerebellum
C. absence of a brain
D. membrane of a brain
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