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Explanation: Cerebral palsy (CP) is a group of permanent movement
disorders that appear in early childhood. Signs and
symptoms vary between people. Often, symptoms
include poor coordination, stif f muscles, weak
muscles, and tremors. There may be problems with
sensation, vision, hearing, swallowing, and speaking.
Often babies with cerebral palsy do not roll over, sit,
crawl, or walk as early as other children their age.
Difficulty with the a bi lity to think or reason and
seizures each occurs in about one third of people with
CP.
Explanation: A search light produces an intense parallel beam of
light. This requires a reflector of large aperture. When
a source is placed at the focus of a large concave
mirror only the paraxial rays (not the marginal rays) are
reflected as parallel beam, but when a source is placed
at the focus of parabolic mirror all the rays are reflected
as an intense parallel beam.
Explanation: Growth hormone is produced in the growth-stimulating somatotropic cells of the pituitary gland, which is located at the base of the brain.
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