Blood supply to the deep structures of the brain is provided by which of the following?
A. Deep branches of the posterior cerebral arteries
B. Anterior choroidal arteries
C. Posterior choroidal arteries
D. Both B and C
E. A, B, and C
ANS: E
Rationale: The deep branches of each of the major cerebral arteries (e.g., anterior, middle, posterior) provide the blood supply to the deep structures of the brain. The anterior and posterior choroidal arteries provide additional blood flow to the deep structures of the brain.
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