E. 29 Which of the following statements about vitamin B12 is false? A. It is watcr soluble B. Lack of it causes pernicious anaemia C. Intrinsic factor is needed for its absorption D. Damage to the gastric mucosa may lead to its deficiency F. It is primarily absorbed in the jejunum

Q: Which of these structures increase the mucosal surface of the smallintestine?a. circular folds d.…

A: The complex food materials ingested by an individual are broken down into simpler substances and are…

Q: The 3 major enzymes secreted by the pancreas into the duodenum are: a. protease, amylase, maltase…

A: Pancreas is the organ that present below the stomach in the abdominal cavity. It has both exocrine…

Q: i. Define vitamins. ii. List the two major vitamin groups. iii. List the deficiency signs of…

A: Nutrients are substances assimilated by an organism, which are required for growth, repair, and…

Q: There are two different kinds of secretions associated with the digestive system that needs to be…

A: The following  are the gastrointestinal hormones which are responsible  for control of the digestive…

Q: 30. Which of the following is false regarding the intestinal hormone CCK? It stimulates the…

A: CCK- Cholecystokinin is secreted by the cells of the upper part of the small intestine. The…

Q: Regarding the stomach, which of the following layers of muscle in muscularis externa is not present…

A: The stomach is present on the abdominal cavity's left side. It is the most distended portion of the…

Q: The location of gastric glands is indicated by which of the following letters? 1.A 2.B 4.E 5.C ব

A: The gastric lining generally consists of different kinds of cells and linings specialized for…

Q: What is the correlation between destruction of parietal cells and Vit B12 deficiency?

A: Animal physiology and human anatomy is the branch of science that studies the form and function of…

Q: Which of these could be absorbed directly without need ofdigestion?a. glucose d. nucleic acidb. fat…

A: Answer- The food we eat gets digested in the stomach and small intestine by various enzymes and then…

Q: Inflammation of the digestive tract is common to most irritable bowel diseases causing in decreased…

A: Human digestive system or alimentary canal is a system which consists of organs involved in…

Q: Which of the following might be true of an individual unable to synthesize and secrete intrinsic…

A: Answer: Introduction: Vitamin B12, also called as cobalamin, it is water-soluble vitamin.

Q: Explain why the pancreas and liver are such importantorgans to the health of an individual.

A: Digestion is a process of turning or breaking down food into smaller digestible matter as nutrients…

Q: Jim’s jaundice is caused by the accumulation of bilirubin in his blood and tissues. What is the…

A: Jaundice Jaundice is the yellow discoloration of sclera ,skin and mucous. it is a characteristic of…

Q: Histological evaluation of a portion of gastrointestinal tract shows ramified, tubular glands…

A: The question is asking us to identify a part of the gastrointestinal tract based on the histological…

Q: Stomach, or gastric acid.... a. Production is promoted by histamine stimulating the insertion of…

A: Stomach acid, or gastric acid, is a watery, colorless fluid that's produced by the stomach mucosa.…

Q: The pancreatic ducts are blocked with a thick, sticky mucus in individuals with the genetic…

A: An inherited condition that affects the lungs and digestive tract is cystic fibrosis. Cystic…

Q: Explain the details of vitamin B12 absorption

A: Vitamin B12 is a water-soluble vitamin required for genetic material production and to suppress a…

Q: Non-heme iron absorption from the small intestinal lumen across the enterocytes involve: a.Duodenal…

A: Enterocytes are the intestinal absorptive cells that line the luminal surface of the small intestine…

Q: .) Kerry's folate intake was low at 59% of the DRI.  Why is this a concern? A.) she is a…

A: Answer : a) She is child bearing age female  Reason :  The risk of neural tube abnormalities in your…

Q: Explain why levels of gastrin are elevated during Zollinger-Ellison Syndrome?

A: The digestive system consists of various organs that begin from the mouth and end in the anus whose…

Q: E. Describe the cellular structures as seen in the hepatocytes of a liver section in the normal…

A: Hepatocytes are the major parenchymal cells of the liver. These cells are the structural and…

Q: Explain the function of the liver in the transport of lipid in the blood.

A: The liver plays a key role in lipid metabolism . Depending on species it is , more or less , the hub…

Q: One of the following is not a function of the liver, which one? a. storage of fat-soluble vitamins…

A: The liver is the biggest gland in the body, weighing around 1.2 to 1.5 kg in an adult person. It has…

Q: How does Jane's problem with Ulcerative Colitis differ from Crohn’s disease (another Inflammatory…

A: Crohn’s disease and ulcerative colitis of Jane both are gastrointestinal tract inflammation.…

Q: All of the following are functions of the liver except the a. release of insulin. b. formation of…

A: The cells, which are the basic unit of an organism’s body, group together as per their structure and…

Q: The “living” part of a tooth is thea. dentin.b. cementum.c. pulp.d. enamel.

A: Both the rigid and sensitive surfaces are found on the jaws and near the mouth and pharynx regions…

Q: Peristalsis: A. Responsible for propelling food in the esophagus  B. Represents the contractions of…

A: The system helps in the breakdown of large and complex food particles into smaller and simple food…

Q: Explain why lipids must be absorbed by lacteals rather than the blood capillaries within a villus

A: It is a small,  slender,  vascular projections that increase the surface area of a membrane.

Q: Why are some types ofhemorrhagic diseases causedby genetic or acquireddeficiency of the vitamin…

A: The diseases that are present in the offspring by birth or inherited from parents are called genetic…

Q: People who practice purging themselves after eating (bulimics) ruin the dentin of their teeth. What…

A: Dentin is also known as dentine. It is a soft layer present below the enamel, which is a hard part…

Q: The most commonly occurring small intestinal obstruction is: a. volvulus. b. diverticulosis. c.…

A: The tiny gut or small intestine is an organ within the channel where most of the absorption of…

Q: Name the locations where cholecalciferol is producedand then modified into vitamin D. What are the…

A: A balanced diet is a diet that fulfills all of a person’s nutritional needs. Humans need a certain…

Q: Which of the following absorb nutrients into the bloodstream? D C

A: The image is showing the digestive system. It is responsible for digestion of the food and the…

Q: . Stem cells in the intestinal epithelium are required for maintaining ahomoestaticrate of tissue…

A: Stem cells are defined by their ability to self-renew and to give rise to mature cell types to…

Q: Define the following terms:a. chylomicron remnantsb. glyceroneogenesisc. exogenous lipoprotein…

A: Introduction: A triglyceride is an ester made up of glycerol and three different fatty acids.…

Q: Briefly describe the following: a. interglobular dentin b. granular layer of Tome’s c. dead tracts

A: The structures mentioned belong to dentine which is a hard dense bony tissue forming the bulk of a…

Q: Which of the following is/are (a) product(s) of the digestion of starch after the release of the…

A: Starch is composed of amylose and amylopectin. Amylose is a polymer of glucose sugars bonded via…

Q: Which of the following events does not happen in the duodenum: a. stomach acids are neutralized…

A: Digestive system is an organ system which helps in transforming complex good stuff into simpler one…