A 12-Year-Old Child Is Being Assessed for Severe Headaches That

A 12-year-old child is being assessed for severe headaches that have been bothering him for several months. He has also experienced paresthesia, weakness, and extremity rigidity. As illustrated in the figure below, an MRI of the brain reveals an expansile mass in the lower pons: Which of the following is most likely to be noticed in this patient as a result of the brain lesion's direct involvement of nerve nuclei?

A) Asymmetric pupils
B) Spontaneous nystagmus
C) Tongue atrophy
D) Trapezius weakness
E) Vertical diplopia

Correct Answer:

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