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...

iron absorption correct answers -ferric iron is taken in from diet -ferric iron is reduced by duodenal cytochrome B to become ferrous iron -ferrous iron is absorbed into enterocytes by DMT 1 -absorbed iron is stored as ferritin, or sent into portal hepatic circulation and carried by transferrin to developing RBCs transferrin correct answers plasma carrier protein for ferrous iron high iron level regulation correct answers -hepcidin is released from hepatocytes -ferroportin is inactivat...

in an energy bar containing 200 total calories calories and 8g of protein, what percentage of calories are from protein? a. 4% b. 16% c. 32% d. 36% e. 72% - Answer-b. 16% Which of the following is NOT required to appear on a food package? a. A statement of identity b. The name and address of the manufacturer, packer, or distributor c. A list of ingredients d. The ratio of saturated to unsaturated fat in one serving e. The net contents of the package - Answer-d. the ratio of satur...

Which of the following is FALSE? Enterocytes mature out of gastric pits. Enterocytes can be sloughed off. Uptake doesn't guarantee absorption. Absorption is when a compound reaches circulation. - False Enterocytes mature FROM STEM CELLS IN THE CRYPTS OF LIEBERKUHN Which of the following are CORRECT? -In osmosis water moves from higher solute concentration to lower solute concentration. -In osmosis water moves from lower solute concentration to higher solute concentration. -In simple...

MMSC 433 FINAL STUDY GUIDE iron absorption - Answer--ferric iron is taken in from diet -ferric iron is reduced by duodenal cytochrome B to become ferrous iron -ferrous iron is absorbed into enterocytes by DMT 1 -absorbed iron is stored as ferritin, or sent into portal hepatic circulation and carried by transferrin to developing RBCs transferrin - Answer-plasma carrier protein for ferrous iron high iron level regulation - Answer--hepcidin is released from hepatocytes -ferroportin i...

accesory organs correct answers teeth, tongue, salivary glands, liver, gallbladder, pancreas not directly part of the digestive tract but aids in digestion saliva components correct answers water salivary amylase (enzyme, breaks down starch) lingual lipase (enzyme, rides to stomach and digests fat) mucus lysosomes (inhibits bacterial growth), R factor to help vitamin B12 absorption stomach chambers correct answers cardia, fundus, body and antrum gastric juices correct answers HC...

Lewis Nutrition Final Exam Questions and Correct Answers 2024 Which of the following are NOT major classes of dietary lipids? Select one: A. sterols B. triglycerides C. phospholipids D. glycogens CORRECT ANSWER: d In the process of emulsification of triglycerides Select one: A. micelles transport fatty acids across the enterocytes. B. pancreatic lipase denatures fatty acid chains. C. fatty acid chains are removed from the glycerol backbone. D. bile salts separate large fat droplets i...

FNDH 400 Exam 2 Questions and Answers (Verified Answers) Crypts of Lieberkuhn pits b/w villi Do crypts contain stem cells true/false true Enterocytes a type of cell from the stem cells in crypt mature as you go down more into the crypts true/false False enterocytes mature as the resin or migrate up the villus out of the crypt What happen to enterocytes as they reach the top of the villus They are sloughed off and either digested as lip and protein contain or excreted in feces Absorpt...

The organelle that serves as the digestive system in the cell is the A. Polysome B. Endosome C. Lysosome D. Ribosome E. Intestine - C. Lysosome T/F: Peripheral proteins function primarily as ion channels and active transporters. - False What is cell signaling? A. The process a cell goes through before it becomes functional B. Nerve impulses that cause motion C. Biochemical reactions that convey a message to a DNA promoter D. The process of protein catabolism - C. Biochemical reactions...

Crypts of Lieberkuhn - ️️pits b/w villi Do crypts contain stem cells true/false - ️️true Enterocytes a type of cell from the stem cells in crypt mature as you go down more into the crypts true/false - ️️False enterocytes mature as the resin or migrate up the villus out of the crypt What happen to enterocytes as they reach the top of the villus - ️️They are sloughed off and either digested as lip and protein contain or excreted in feces Absorption is defined as reachin...

A patient with a deciency of ALA synthase will express signicantly low levels of these proteins except; Cytochrome P450 Myoglobin Hepcidin Catalase This membrane protein found in enterocytes is involved in the conversion of ferrous iron to ferric iron; Hephaestin Ferric reductase Ferroportin Hepcidin 1 / 1 pts Question 3 A patients liver biopsy shows increased deposition of hemosiderin and ferritin which conrm a diagnosis of hemochromatosis. Which of these is least likely to be the ...