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10 Cards in this Set
- Front
- Back
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The stomach is able to produce specific enzymes which breakdown _______ to ________.
A. proteins: fatty acids B. cholesterol: amino acids C. proteins: peptides D. glucose: glycogen |
Proteins to Peptides |
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The absorptive mechanism which needs energy in the form of ATP to move a substance across a cell membrane, and against a concentration gradient.
A. Osmosis B. Activated Transference C. Facilitated Diffusion D. Active Transport |
Active Transport |
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The main nutrients we need to digest (i.e. breakdown to smaller components) in order to absorb are:
A. carbohydrates, fats and proteins B. fats, proteins, vitamins, minerals and electrolytes C. proteins, carbohydrates, vitamins and minerals D. fiber, fats, minerals and vitamins |
Carbohydrates Fats Proteins |
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In addition to being able to absorb macronutrients and micronutrients from the diet, humans can also extract and absorb some non-nutrient compounds from the foods and beverages in their diet
True/False |
True |
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The accessory organs such as the pancreas and liver are most involved in which phase of digestion?
A. The Gastric Phase B. The Pancreatic Phase C. The Intestinal Phase D. The Cephalic Phase |
Intestinal Phase |
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The gastrointestinal tract can be thought of as a giant _______ that runs through the body, from the mouth to the rear exit.
A. capillary B. tube C. conductor D. cord |
Tube |
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The lower esophageal sphincter keeps bile from entering the stomach.
True False |
False: It keep stomach acid from moving upward. |
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Which is the most accurate description of the brush border region of the small intestine?
A. Villi are composed of enterocytes; enterocytes have microvilli on them
B. Microvilli are finger-like structures which are made up of enterocytes
C. Water-soluble compounds are absorbed through central lacteals, while fat-soluble compounds are absorbed through capillaries
D. The microvilli are composed of bacterial cells which undergo lactic fermentation and release methane gas |
Villi are made of enterocytes. Enterocytes contain mircovilli. |
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Digestive enzymes which break down food in the gastrointestinal tract can be released from the:
A. liver, gallbladder, esophagus and stomach B. spleen, esophagus, duodenum and cecum C. mouth, pancreas, liver and colon D. mouth, stomach, pancreas and enterocytes |
Mouth Stomach Pancreas Enterocytes |
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The small intestine is longer than the large intestine.
True False |
True |
