Karnataka PGET Medicine MCQ Answer 03
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Motor neuron diseases are characterized by selective degeneration of motor neurons, both upper and lower, namely of the pyramidal fibers in cerebral cortex, of ventral horn cells and of cranial motor nerve nuclei.
Symptoms:
- Limbs muscle weakness, cramps, occasionally fasciculation.
- Disturbance of speech and swallowing (dysarthria and dysphagia )
- Wasting and fasciculation of muscles
- Weakness of muscles of limbs and tongue, face and palate.
- Pyramidal tract involvement causes spasticity, exaggerated tendon reflexes and extensor plantar responses.
- External occular muscles and sphincters usually remain intact.
- No objective sensory deficit.
- No intellectual impairment in most cases.
Tags: MCQ, Medicine, Tongue wasting
Category: Karnataka PGET 2007 MCQs
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