01-27-2007, 03:55 PM
A) Incorrect. This is a consequence of ischemia-infarction in utero with loss of much cerebral cortex.
(B) CORRECT. The most sensitive areas of the brain to ischemia will be the 'watershed' areas between anterior and middle cerebral arterial circulations.
C) Incorrect. Lacunar infarcts are typically a consequence of hypertensive cerebrovascular disease.
D) Incorrect. Hemorrhagic infarcts, particularly in the distribution of the middle cerebral artery, suggest an embolic etiology.
E) Incorrect. Sheehan syndrome is more typically postpartum, as the pituitary is enlarged in pregnancy.
(B) CORRECT. The most sensitive areas of the brain to ischemia will be the 'watershed' areas between anterior and middle cerebral arterial circulations.
C) Incorrect. Lacunar infarcts are typically a consequence of hypertensive cerebrovascular disease.
D) Incorrect. Hemorrhagic infarcts, particularly in the distribution of the middle cerebral artery, suggest an embolic etiology.
E) Incorrect. Sheehan syndrome is more typically postpartum, as the pituitary is enlarged in pregnancy.