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Questions and Answers
Which type of motor neuron disease involves the dysfunction of both upper and lower motor neurons?
Which type of motor neuron disease involves the dysfunction of both upper and lower motor neurons?
- Spinal muscular atrophy
- Post-polio syndrome
- Amyotrophic lateral sclerosis (correct)
- Primary lateral sclerosis
Which motor neuron disease primarily affects the upper motor neurons?
Which motor neuron disease primarily affects the upper motor neurons?
- Primary lateral sclerosis (correct)
- Hereditary spastic paraplegia
- Post-polio syndrome
- Spinal muscular atrophy
What is a common clinical feature of lower motor neuron (LMN) involvement?
What is a common clinical feature of lower motor neuron (LMN) involvement?
- Preserved tendon reflexes
- Muscle cramps and fasciculations (correct)
- Extensor plantar response
- Spasticity and clonus
What is a characteristic feature of upper motor neuron (UMN) involvement?
What is a characteristic feature of upper motor neuron (UMN) involvement?
Which classification of motor neuron disease involves both upper and lower motor neuron dysfunction?
Which classification of motor neuron disease involves both upper and lower motor neuron dysfunction?
Flashcards
Amyotrophic Lateral Sclerosis (ALS)
Amyotrophic Lateral Sclerosis (ALS)
A motor neuron disease affecting both upper and lower motor neurons, leading to muscle weakness and wasting.
Primary Lateral Sclerosis
Primary Lateral Sclerosis
A motor neuron disease primarily affecting upper motor neurons.
Lower Motor Neuron Dysfunction (LMN)
Lower Motor Neuron Dysfunction (LMN)
Characteristics of this include Muscle cramps and fasciculations.
Upper Motor Neuron Dysfunction (UMN)
Upper Motor Neuron Dysfunction (UMN)
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Combined UM and LMN Involvement
Combined UM and LMN Involvement
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Muscle cramps
Muscle cramps
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Fasciculations
Fasciculations
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Superficial Abdominal Reflexes
Superficial Abdominal Reflexes
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Motor Neuron Disease
Motor Neuron Disease
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Upper Motor Neuron
Upper Motor Neuron
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