It is midday at the clinic and sarah

The concave notch in the kidney is referred to as the: a. hilum b. medulla c. calyx d. cortex

Which of the following must be done to the lsovue to avoid a misdiagnosis of gallstones during a cholangiogram? a. do not inject the lsovue until the gallbladder is removed. b. mix 10 cc of saline with 20 cc of isovue. c. ensure that there are no air bubbles in the syringe before injection. d. keep the isovue chilled.

Why was there no increase in the reaction rate with 8.0 g. of substrate as compared to 4.0 g. of substrate? what would you need to add to see an increase in the reaction rate wth 8.0 g. of substrate?