The duodenum of a person was surgically removed. Which of the following substances would have their digestion affected?
A starch and protein only
B starch and lipids
C starch, peptones and maltose
D starch, protein and lipids
Answer is D
These three (starch, protein and lipids) have a process to undergo in the duodenum (the beginning of the small intestine), therefore, the surgery will affect them.