Life of enterocytes - Study guides, Class notes & Summaries

Chapter 1 – The Science of Nutrition Multiple Choice Answer, level, page Level: K = knowledge, A = application/critical thinking What Do We Mean by “Nutrition”? (pp. 5-8) a A 6 1. Which of the following ingredients in a box of toaster pastries would contribute macronutrients to one’s diet? a. Water, high-fructose corn syrup, egg yolk b. Niacin, folic acid, sucralose c. Riboflavin, salt, sodium benzoate d. Thiamin mononitrate, soybean oil, sugar c K 5 2. The term “n...

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What is the maturation and life cycle of enterocytes (crypts, villi, sloughing etc.) - Answer- The crypts which located in the pits of villi contain stem cells that can differentiate to enterocytes, and the enterocytes mature as they migrate up. The life cycle of enterocytes is 72 hours. Once enterocytes have reached the top of villi, they are sloughed off, and are either digested or excreted in feces. Uptake - Answer- compounds being transported into enterocytes Absorption - Answer- compo...

What is the maturation and life cycle of enterocytes (crypts, villi, sloughing etc.) correct answers The crypts which located in the pits of villi contain stem cells that can differentiate to enterocytes, and the enterocytes mature as they migrate up. The life cycle of enterocytes is 72 hours. Once enterocytes have reached the top of villi, they are sloughed off, and are either digested or excreted in feces. Uptake correct answers compounds being transported into enterocytes Absorption cor...

Endocrine and Gastrointestinal Tract 51 -MCQ and Answer Key 1 With regard to carbohydrate digestion: a) salivary amylase works best at alkaline pH b) approximately 40% of adult Europeans are lactose intolerant c) oligosaccharidase deficiency results in osmotic diarrhoea d) salivary amylase continues to digest carbohydrates in the stomach 2 Carbohydrate absorption: a) all glucose, galactose and fructose is co-transported with Na by the SGLT-2 transporter into enterocytes b) all glucose/...

4th Edition BCNS Exam Practice Questions With 100% Complete Answers. d. long-chain fatty acids They are still too big to be absorbed directly Examples of dietary nutrients that are not absorbed directly into the enterohepatic portal blood system include: a. amino acids. b. medium-chain fatty acids. c. monosaccharides. d. long-chain fatty acids. b. progesterone. "gest"=gestation. Progesterone, NOT estrogen, has been associated with decreased contraction frequency and slow gastric empty...

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Life of Enterocytes - In the crypts of Lieberkuhn (the pits between villi), stem cells are produced which can create enterocytes. As the cells mature, they migrate to the top of the villi, and thus the most mature are on the tips of the villi. 72 hours after an enterocyte enters the villi from the crypt, they are "sloughed off" and excreted in feces. If not sloughed off, they will be digested and the components (proteins and lipids) will be taken up by remaining enterocytes still on villi. ...

Organelles - answer-- Within a cell, a structure that has a particular function - They carry out activities within the cell Cytoplasm - answer-The gel like matrix inside cells but outside of cell organelles Extracellular - answer-Situated outside of a cell Intracellular - answer-Situated within a cell Cell membrane - answer-- Provides boundary between the extracellular and the intracellular - Regulates movement of substances into and out of cells Transport across cell membranes ...