USMLE® Step 1 style questions USMLE
USMLE® Step 2 style questions USMLE
A 75-year-old man comes to his primary care provider's office for a routine health maintenance visit. Physical examination shows a droopy right eyelid and constricted right pupil. The right side of his face is drier compared to the left upon palpation. A lesion in which of the following neural pathways is most likely to cause this patient's ptosis?