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during a physiological study of pancreatic function, a researcher studies a fasted experiemental animal with a chronic pancreatic fistula. The researcher adminsters a variety of substances IV to mimic postprandial levels.. The volume and composition of pancreatic secretions are then measured. The results from two such experiments are shown in the graph. Which of the following substance was most likely adminsitered to obtain the results shown..

a achetycholine
b. CCK
c. Gastrin releasing peptide
d. secretin
e. somastostatin
f. vasoactive intestinal polypeptide

i am stuck btw b and d
please share as to why u chose a particular answer to shed some light here please

dddd

can u explain y, or have u memorized the wrong answers given at the end of each exam..

folks these questions may have the incorrect answers listed.. so please do not rely on them, and rather discuss them with others