Neurological defects

chadene's version from 2017-03-22 04:22


Question Answer
Athetosis Lesion in Globus pallidus- writhing motion of hands, neck and face
ChoreaLesion in Putamen- flicking movements in the hand, face and other parts of the body
HemibalismusLesion in Subthalamus- flailing movements of an entire limb
Parkinson's diseaseLesions in Substantia Nigra - rigidity, akinesia, tremors

Section 2

Question Answer
Presbyopiaprogressive thickening and loss of elasticity of lens which causes inability to accommodate both near and far images requiring bifocal lens
Hyperopiafarsightedness caused by a short eyeball or weak lens system
Myopianearsightedness caused by a long lens or an overly contracted ciliary muscle
Astigmatismuneven curvature of the lens causing obscuring of the image formation as the image focuses at different distances
Keratoconusthis is an abnormally shaped, bulging cornea
Cataractthis is clouding of the lens due to proteinaceous material degeneration