A Scientist Genetically Engineers a Mouse to Lack the Hormone

Multiple Choice

A scientist genetically engineers a mouse to lack the hormone secretin.In comparison with a normal animal,which of the following would be expected to be increased in the mutant mouse?

A) The pH of pancreatic ductular secretion
B) The volume of pancreatic secretion
C) The pH of duodenal contents
D) The susceptibility to duodenal erosions and ulcerations
E) Gallbladder contractibility