The duodenum of a person was surgically removed. Which of the following substances would have their digestion affected?
starch and protein only
starch and lipids
starch, peptones, and maltose
starch, protein, and lipids
Correct 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.