Shannon was the pitcher on her softball team. During one game, a batter hit the ball and it ricocheted off the left side of Shannon's head, knocking her temporarily unconscious. She eventually regained consciousness, but experienced severe pain near her left temple. Within a few hours, Shannon had trouble moving her right upper limb and became lethargic. Her team captain brought her to the emergency room, where the physician diagnosed her with an epidural hematoma. Why did Shannon experience the problems with her right upper limb? The hematoma likely was impinging on what brain structure?

a. left precentral gyrus
b. left postcentral gyrus
c. left cerebral nuclei
d. left cerebellum


a. left precentral gyrus

Anatomy & Physiology

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