EXAM 1 DIT 121 NOVA Questions with Complete Solutions (Latest 2025) The amount of a chemical to which a person consumes over a period of a day. It is determined by multiplying typical concentration of the chemical in drinking water, air, and food by an average daily intake factor such as 2 liters of water per day. - Correct Answers ✅Average Intake (AI) Bicarbonate also acts to regulate pH in the small intestine. It is released from the pancreas in response to the hormone secretin to neutralize the acidic chyme entering the duodenum from the stomach - Correct Answers ✅Bicarbonate A mixture of salts and phospholipids produced by the liver that breaks up fat particles. - Correct Answers ✅Bile a hormone produced by cells of the intestinal wall. target organ: gallbladder response: release of bile and slowing of GI motility - Correct Answers ✅Cholecystokinin (CCK) Partially digested, semiliquid food mixed with digestive enzymes and acids in the stomach. - Correct Answers ✅Chyme reference values developed by the FDA specifically for use on food labels - Correct Answers ✅Daily Values (DV) 1 / 2
EXAM 1 DIT 121 NOVA Questions with Complete Solutions (Latest 2025) The average daily nutrient intake level that is estimated to meet the requirement of half the healthy individuals who are in a particular life stage and gender group - Correct Answers ✅Estimated Average Requirement (EAR) A substance that cannot be synthesized by the body and must be obtained preassembled from the diet, including certain amino acids and fatty acids, vitamins, and minerals. - Correct Answers ✅Essential Nutrient The non-digestible forms of carbohydrate that are extracted from plants or manufactured in the laboratory and have known health benefits. - Correct Answers ✅Functional Fiber Involuntary waves of muscle contraction that keep food moving along in one direction through the digestive system. - Correct Answers ✅Peristalsis Prevents backflow of food from esophagus back into mouth - Correct Answers ✅Upper Esophageal Sphincter a muscular ring that controls the flow between the esophagus and stomach - Correct Answers ✅Lower Esophageal Sphincter
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