1. Which three are all monosaccharides? A. fructose, galactose, lactose B. maltose, sucrose, lactose C. glucose, fructose, sucrose D. glucose, fructose, galactose
2. What is the relative amount of carbohydrate digestion that takes place in the mouth, the stomach and the small intestine? A. Mouth: a little Stomach: none Small intestine: most B. Mouth: none Stomach: a little Small intestine: most C. Mouth: most Stomach: a little Small intestine: none D. Mouth: none Stomach: most Small intestine: a little
3. Many adults are lactose intolerant. What causes this? A. Lactose provokes an autoimmune response that irritates their intestinal lining. B. They break down and absorb lactose, thereby depriving the bacteria in the colon of lactose as an energy source. C. They can't break down and absorb lactose, so the bacteria in their colon digest the lactose instead. D. Lactose binds to the cells of their intestinal wall, blocking the absorption of other nutrients.
4. Compared with animal fats, in general, vegetable oils contain a higher proportion of A. unsaturated fatty acids. B. cholesterol. C. trans-fatty acids. D. saturated fatty acids.
5. Trans fatty acids are found in A. all plant fats/oils. B. all fats/oils. C. all animal fats. D. hydrogenated oils.
6. Cholesterol made in the liver travels to body cells in A. Micelles B. High density lipoproteins (HDLs) C. Low density lipoproteins (LDLs) D. Chylomicrons
1. Which three are all monosaccharides? A. fructose, galactose, lactose B. maltose, sucrose, lactose C. glucose, fructose, sucrose D. glucose, fructose, galactose
2. What is the relative amount of carbohydrate digestion that takes place in the mouth, the stomach and the small intestine? A. Mouth: a little Stomach: none Small intestine: most B. Mouth: none Stomach: a little Small intestine: most C. Mouth: most Stomach: a little Small intestine: none D. Mouth: none Stomach: most Small intestine: a little
3. Many adults are lactose intolerant. What causes this? A. Lactose provokes an autoimmune response that irritates their intestinal lining. B. They break down and absorb lactose, thereby depriving the bacteria in the colon of lactose as an energy source. C. They can't break down and absorb lactose, so the bacteria in their colon digest the lactose instead. D. Lactose binds to the cells of their intestinal wall, blocking the absorption of other nutrients.
4. Compared with animal fats, in general, vegetable oils contain a higher proportion of A. unsaturated fatty acids. B. cholesterol. C. trans-fatty acids. D. saturated fatty acids.
5. Trans fatty acids are found in A. all plant fats/oils. B. all fats/oils. C. all animal fats. D. hydrogenated oils.
6. Cholesterol made in the liver travels to body cells in A. Micelles B. High density lipoproteins (HDLs) C. Low density lipoproteins (LDLs) D. Chylomicrons
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1. Where does most chemical breakdown of carbohydrates occur? A. The stomach B. The small intestine C. The large intestine D. The mouth
2. The pancreas produces
A. | bicarbonate and enzymes. | |
B. | bile and enzymes. | |
C. | bicarbonate and bile. | |
D. | pepsin and bile. |
3. Bile participates in the digestion of ______. Its specific function is to ______.
A. | proteins . . . break down proteins into short polypeptides | |
B. | fats . . . emulsify fats | |
C. | fats . . . break down fats into glycerol and fatty acids | |
D. | starch . . . break down starch into maltose |
4. After chemical breakdown in the small intestine, nutrients are absorbed across the intestinal wall. Where do the nutrients go from there?
A. | Fats go into the bloodstream to the liver. Water soluble nutrients go into the lymphatic system. | |
B. | All nutrients go into the bloodstream to the liver. | |
C. | All nutrients go into the lymphatic system. | |
D. | Water soluble nutrients go into the bloodstream to the liver. Fats go into the lymphatic system. |
5. The enzyme pepsin is found in the ________ and functions to _______________.
A. | small intestine . . . break down carbohydrates | |
B. | stomach . . . partially break down proteins | |
C. | mouth . . . partially break down proteins | |
D. | stomach . . . break down carbohydrates |
6. The major function of the colon in digestion is to
A. | produce bile. | |
B. | break down fats. | |
C. | absorb most nutrients. | |
D. | reclaim water. |