A 30-year-old woman with multiple sclerosis comes to the physician because of a 2-week history of severe shooting pains

[answerhappygod]

A 30-year-old woman with multiple sclerosis comes to the physician because of a 2-week history of severe shooting pains in her right cheek. Each pain lasts less than 1 second. The pains sometimes occur spontaneously and sometimes are precipitated by a light touch to the right cheek. The most likely cause of this new finding is a plaque in which of the following locations?

A) Cerebral hemisphere
B) Medulla
C) Midbrain
D) Pons
E) Spinal cord
F) Thalamus