Short Answer
Research done in the 1930s by the French physiologist Jean Poiseuille showed that the resistance R of a blood vessel of length l and radius r is 
, where k is a constant. Suppose a dose of the drug TPA increases r by 20%. How will this affect the resistance R? Assume that l is constant. It will drop by __________%.
Correct Answer:
Verified
Correct Answer:
Verified
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