Contraction of the muscles surrounding an arteriole that decreased its diameter by 50% would
A. increase the resistance in the arteriole by approximately 50%.
B. increase the resistance in the arteriole approximately 16-fold.
C. not be expected to change resistance in the arteriole.
D. decrease the resistance in the arteriole approximately 16-fold.
E. decrease the resistance in the arteriole approximately 50%.
Answer: B
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