NEUROLOGY
MOTOR NEURONE DISEASE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Motor neurone disease is characterised by progressive damage to the motor neurones. Using your knowledge of the reflex arc, which statement is likely to be true about people suffering from motor neurone disease?
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They will not be able to feel pain.
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They may have difficulty gripping a pencil.
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Speed of impulse along the sensory neurone is reduced.
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Fewer impulses are received by their central nervous system (CNS).
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Explanation:
Detailed explanation-1: -Definition. Motor neurone disease (MND) is characterized by the progressive deterioration of the anterior horn cells of the spinal cord and the corticospinal tracts, causing lower motor neurone lesions and upper motor neurone lesions respectively.
Detailed explanation-2: -Damage to lower motor neuron cell bodies or their peripheral axons results in paralysis (loss of movement) or paresis (weakness) of the affected muscles.
There is 1 question to complete.