Upon awakening one morning, a 62-year-old man, is unable to use his right hand. In addition, he recently experienced conjugate deviation of the eyes to the left and paralysis of voluntary gaze to the right; 5 days later, however, his eye movements returned to normal. This patient probably has had a stroke involving the:

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Quizplus · Accepted Answer

The symptoms described, including inability to use the right hand, conjugate deviation of the eyes to the left, and paralysis of voluntary gaze to the right, are indicative of a stroke involving the left frontal cortex. This area is responsible for motor functions (explaining the right hand paralysis due to the contralateral control of the body by the brain) and voluntary eye movements, specifically through the frontal eye fields which control gaze direction. The temporary nature of the eye movement symptoms suggests a transient ischemic attack (TIA) or minor stroke with partial recovery.

Upon Awakening One Morning, a 62-Year-Old Man, Is Unable to Use