1) Which of the following is a sign of a lower motor neuron deficit? a) Dysarthria b) Fasciculations c) Hyperreflexia d) Spasticity 2) Which of the following is a sign of a upper motor neuron deficit? a) Atrophy of muscles b) Fasciculations c) Hyporreflexia d) Positive Babinski sign 3) A geneticist is studying a family with a superoxide dismutase gene mutation. Which of the following conditions do these patient have?? a) Amyotrophic lateral sclerosis b) Becker muscular dystrophy c) Neurofibromatosis type 1 d) Vestibular neuritis 4) A 9 yo child is seen in the clinic. She exhibits asymmetrical muscle atrophy and weakness in the legs. Absent reflexes and fasciculations are noted. Diagnosis? a) Amyotrophic lateral sclerosis b) Duchenne muscular dystrophy c) Myotonic muscular dystrophy d) Poliomyelitis 5) A 9 yo child is seen in the clinic. She exhibits asymmetrical muscle atrophy and weakness in the legs. Absent reflexes and fasciculations are noted. She is at risk for developing which feature 25 year from now? a) Arthralgia b) Bulbar palsy c) Diplopia d) Pseudohypertrophy of calf

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