A viral inflammation of the gray matter of the spinal cord is:
A) spina bifida
B) poliomyelitis
C) hydrocephalus
D) amyotrophic lateral sclerosis
B
Explanation: A viral inflammation of the gray matter of the spinal cord is poliomyelitis. Spina bifida is a congenital defect in the walls of the spinal canal in which the laminae of the vertebra do not meet or close. Hydrocephalus is an accumulation of cerebrospinal fluid within the brain's ventricles. Amyotrophic lateral sclerosis is a disease characterized by muscular weakness and atrophy due to degeneration of motor neurons of the spinal cord.
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