Neurological disorders Flashcards
A needle electrode examination with fibrillations in the teres minor, anconeus, and supinator muscles and normal findings in the brachialis, flexor carpi ulnaris, and pronator teres muscles would localize a lesion to which part of the brachial plexus?
Posterior cord
In an acute myopathic process the number of motor units is functionally ___. The muscle fiber content of each motor unit is classically ___. In an end stage myopathic process the number of motor units is functionally ___. The muscle fiber content of each motor unit is classically ___.
Unchanged, decreased; decreased, decreased
A 45-year-old male patient presents to the hospital with an acute onset of generalized weakness, impaired balance, coordination, difficulty walking and lazy eyes worsening over past 3 days. On further history he reports a history of flu like symptoms a week prior to the onset of these symptoms. He denies any difficulty breathing, numbness, or bowel and bladder symptoms. On exam, he is mildly tachycardic with elevated BP, and is noted to have bilateral 3rd,4th,6th nerve palsy, strength of 4/5 in bilateral upper and lower extremities, areflexia and ataxic gait. He has no sensory abnormalities. Labs are positive for Anti-GQ1b antibodies. CSF shows elevated protein with normal WBC count. EMG shows prolongation of F wave latencies. What subtype of Guillain-Barré syndrome (GBS) does this patient likely have?
Miller Fisher variant of GBS
What is the leading cause of post-stroke disability among nursing home residents?
Urinary incontinence
What is the most common mode of inheritance of spinal muscular atrophy?
autosomal recessive
Which of the following is the natural history of pediatric Guillain-Barré Syndrome (GBS), as compared with adult GBS?
more benign course
When considering the upper extremities of a SCI patient, the rear axle should be positioned so that the hand is placed at the top center position on the push rim, and the angle between the upper arm and the forearm is between:
100-120 degrees
