University Of Central Florida (UCF) HUN3011 Human Nutrition Practice Exam 2

Soluble dietary fibers are known for their ability to dissolve in water, forming a gel-like substance in the digestive system. This property allows soluble fibers to play a significant role in lowering cholesterol levels. When consumed, soluble fibers can bind with bile acids in the intestine. As a result, the body is encouraged to utilize cholesterol to replace these bile acids, effectively reducing overall cholesterol levels in the bloodstream. Additionally, soluble fibers can improve digestive health by slowing down digestion, which can help manage blood sugar levels and enhance feelings of fullness, contributing to weight management. Common sources of soluble fiber include oats, legumes, fruits like apples and oranges, and some vegetables. The other statements do not accurately describe soluble dietary fibers. For instance, while some fibers can provide structure, this characteristic is more common to insoluble fibers. Likewise, soluble fibers do not increase the energy density of foods; instead, they can help in maintaining satiety without contributing significantly to calorie intake. Lastly, soluble fibers are primarily derived from plant sources, not animal products.