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577 Medicine

Hypehermia is defined as-

ACore temperature > 40.0degC
BCore temperature > 41.50degC
CElevated temperature that normalizes with antipyretic drugs
DUncontrolled increase in body temperature despite a normal hypothalamic temperature setting
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584 Medicine

A 45-year-old man presents to the clinic for evaluation of weakness in his arms and legs. The symptoms started gradually, and are now more noticeable and interfering with his ability to work as an electrician. On physical examination, the cranial nerves are normal, but there is weakness of his left handgrip and right leg quadriceps with loss of muscle bulk. There are obvious fasciculations over the left forearm and right thigh. Tone is increased in the arms and legs and the reflexes are brisk. Which of the following is the most likely diagnosis?

Aamyotrophic lateral sclerosis (ALS)
Bmyotonic muscular dystrophy
Camyotonia congenita
Dtabes dorsalis
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