A common cause of chronic mesenteric ischemia among the elderly is:
a. anemia.
b. aneurysm.
c. lack of nutrition in gut lumen.
d. atherosclerosis.
ANS: D
The most common cause of chronic mesenteric ischemia is atherosclerosis. Neither poor nutrition nor anemia leads to vascular insufficiency. An aneurysm would lead to acute vascular insuffi-ciency.
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