Certain types of fibers and complex proteins that are degraded by GI bacteria are called ____
a. prebiotics
b. probiotics
c. postbiotics
d. symbiotics
e. abiotics
ANS: A
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Those with celiac disease have been shown to experience
A. an increased risk of stomach cancer. B. improvement in symptoms when wheat and barley are consumed. C. symptoms only as children. D. seizures due to inadequate absorption of certain vitamins and minerals.
Which two organs control the buffer system that regulate the body’s acid–base balance?
a. Skin and lungs b. Liver and kidneys c. Kidneys and lungs d. Stomach and liver e. Stomach and pancreas
If a slice of bread contains 15 grams of carbohydrates, 3 grams of protein, and 3 gram of lipids, how many kilocalories (kcal) does it provide?
A) Approximately 19 kcal B) Approximately 46 kcal C) Approximately 81 kcal D) Approximately 171 kcal
The digestive tract begins at the ____ and ends at the ____
a. stomach; large intestine b. pharynx; rectum c. lower esophageal sphincter; rectum d. mouth; anus