23/10/2026
📖 Ready to put your Step 1 knowledge to the test? Try this sample question and drop your best guess in the comments. We will share the correct answer tomorrow.
A 73-year-old man is brought to the emergency department by his family 1 hour after he walked into the left side of a door frame when leaving his bedroom and then tripped over a chair that was on his left side. Visual field testing shows left lower quadrantanopia. When tactile stimuli are presented on both the left and the right sides simultaneously, the patient correctly identifies only the ones on the right. Further examination shows no motor or language deficits. Proprioception is intact. This patient most likely has a brain lesion in which of the following lobes?
A. Left frontal
B. Left parietal
C. Left temporal
D. Right frontal
E. Right parietal
F. Right temporal
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