Because fibers absorb primary bile acids to promote their excretion, they help to protect against ____.
A) colon cancer
B) diarrhea
C) prostate cancer
D) melanoma
Question 2
Which volatile short-chain fatty acid is believed to lower serum cholesterol by acting as an inhibitor of cholesterol biosynthesis?
A) acetic
B) butyric
C) propionic
D) palmitic