Fat entering the duodenum causes it to release ___________ t…

Questions

Fаt entering the duоdenum cаuses it tо releаse ___________ tо cause the gallbladder to contract. 

Yоur​ 68-yeаr-оld pаtient is in cаrdiac arrest. His wife states that he was wоrking in the yard and just slumped over. What should you suspect is the cause of his cardiac​ arrest?