A 75-Year-Old Woman Is Evaluated in the Emergency Department Due

A 75-year-old woman is evaluated in the emergency department due to sudden-onset weakness in the left side of the body. She can speak but has an abnormality in pronouncing the words properly. Blood pressure is 165/95 mm Hg and pulse is 75/min. On physical examination, the power is 2/5 in the upper and lower left extremities. When she is asked to protrude her tongue, it deviates to the right. Which of the following is the site of injury in this patient?

A) Left lateral medulla
B) Left medial medulla
C) Left precentral gyrus
D) Right lateral medulla
E) Right medial medulla
F) Right precentral gyrus

Correct Answer:

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