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NUT TEST 1 digestio
| Question | Answer |
|---|---|
| The actions involved in the process of digestion are muscular and | Chemical |
| the rhythimic contractions that propel food through intestinal tract are called | peristalsis |
| the semi fluid mass after ingested food is mixed and churned with gastric secretions is | chyme |
| the factor most likely to stimulate digestive secretions is | smelling or seeing food |
| the biting, chewing, and breaking up ingested food into smaller particles is called | mastication |
| the enzyme secreted by the salivary glands for the digestion of carbohydrates is | amylase |
| regurgitation of acidic stomach contents back into esophagus is known as | gastroesophageal reflux disease |
| the network of nerves within GI wall that regulates muscular actions is | intramural nerve plexus |
| rate of gastric emptying depends on Kcal density, volume of food and | compostition of meal |
| the release of gastric secretions is stimulated by nerve & hormonal stimuli and the | presence of food in the stomach |
| a pH of 1.8 to 3.5 in stomach is needed for the digestion of _______ by pepsin | protein |
| the substance that acts as an emulsifier and helps absorb digested fat is | bile |
| the lining of the stomach and intestines is protected by from self digestion by | mucus |
| the hormone that stimulates gallbladder to contract is | CCK (cholecystokinnin) |
| the substance that activates pepsinogen to pepsin is | hydrochloric acid |
| stimulus for release of CholeCytoKinnin is the presence of ____ in the duodenum. | fat |
| small finger like projections in the intestinal lumen that aid in absorption are called | villi |
| the end products of digestion of macronutrients, fatty acids, amino acids, and _______. | monosaccharides |
| the part of the GI tract where the greatest amount of absorption occurs is in the | small intestines (duodenum) |
| the primary nutritional function of the large intestine is the absorption of | water |
| the valve that controls passage of chime from small intestine into cecum is the _____ valve. | ileocecal |
| bacteria in the colon are important because they synthesize important | vitamins such as b12 |
| gas formation in the colon is the result of ____ action on organic compounds such as fiber | bacterial |
| the solid portion of the fecus is composed mainly of bacteria, mucus, and _______ | fiber |
| the process of converting glucose to glycogen is called _______ | glycogenesis |
| the process of converting glucose to fat is called | lipogenesis |
| nutritional supplements of health promoting bacteria is referred to as | probiotics |
| a lipoprotein is protein wrapped around triglycerides and | cholesterol |
| the major function of glucose is to produce _______. | energy |
| metabolic/hormonal responses are triggered to restore blood glucose to normal when blood glucose level decreased to ____ mg/dl. | 70 |
| the substance that serves for fat transport in blood stream is _____. | lipoprotein |
| the hormone that acts to lower blood sugar levels is | insulin |
| the hormone that breaks down liver glycogen to glucose during fasting or sleep to raise blood sugar is ________ | glucogon |
| synthesis of protein is governed by DeoxyriboNucleic Acid or ______ in the cell nucleus | DNA |
| the process of tissue synthesis by protein is reffered as _____ | anabolism |
| the organ that secretes most enzymes needed for digestion in Small Intestines is _____. | pancreas |
Created by:
casiejulie
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