B: Parietal cells produce HCl. High cholesterol is harmful for the body. Which of the following is mismatched? All of these are among the four tunics found throughout the digestive tract EXCEPT: A. Mucosa One form of vitamin B12 functions as a coenzyme in a number of reactions, including the oxidation of fatty acids and the synthesis of DNA. Children are fascinated by the workings of the digestive system: they relish crunching a potato chip, delight in making “mustaches” with milk, and giggle when their stomach growls. Select all that apply. The digestive system is formed of 1. You have remained in right site to begin getting this info. Brunner’s glands are present in the intestine. Vitamin D and Vitamin A. are known as calciferol and retinol respectively. Select all that apply. 57 Questions with Answers and Explanations on “Digestive System and Nutrition” for Biology Students. This Application contains the following: Respiratory System – Allows gas exchange between cells and the environment. Quiz No. A 38 year old male walks into your office complaining of abdominal pain. B. They lie on the sides of the face, just below and in front of the ears. It moves food in the mouth and, in cooperation with the lips and cheeks, holds the food in place during mastication. (d) DNA which can be digested by pancreatic DNAase. The digestive system, with the help of the circulatory system, acts like a gigantic “meals on wheels,” providing nourishment to over a hundred trillion “customer” cells in the body. It begins in the stomach, where some small, lipid-soluble molecules, such as alcohol and aspirin, can diffuse through the stomach epithelium into the circulation. What happens to that cheeseburger and fries (or, we hope, that whole wheat bread and green salad) you had for lunch? 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Deficiency affects the eyes, causing night blindness, xerophthalmia (dryness and thickening of the cornea), and eventually total blindness. Digestion is the breakdown of large, complex organic molecules into smaller components that can be used by the body. Night blindness is the inability to see in dimlight or at night. All the statements describe mechanical digestion. Thrombin converts fibrinogen molecule to insoluble fibrin. Its symptoms are underweight, stunted growth, poor brain development, loss of appetite, anaemia, protuding beliy slender legs and bulging eyes. Mcq And Answers On Git System Physiology Amalou De. University of Strathclyde. It extends from the nasal cavity to the stomach. 32. (c): The Wharton’s ducts are associated with submaxillary glands that lie at the angles of the lower jaw. Create a free account to download. Published by Experts, 5 Important Steps of Shotgun Method of Genome Sequencing, Short Speech for Student’s on “Education”, Structure of R.K. Narayan’s Novel “The Bachelor of Arts”, Short Summary of “Thought the, Paraclete” by Sri Aurobindo. Rennin is active only in infants. The digestive system processes food into usable and unusable materials. 37. The haemorrhagic disease of new born is caused due to the deficiency of. An upper GI series revealed the presence of a gastric ulcer. C. Intestinal phase (a) first carbohydrates, next fats and lastly proteins, (b) first fats, next carbohydrates and lastly proteins, (c) first carbohydrates, next proteins and lastly lipids, (d) first proteins, next lipids and lastly carbohydrates. Food reaching the small intestine is only partially digested. Pulmonary vein conveys oxygenated blood from the lungs to the left atrium of the heart. It converts milk protein casein into calcium paracaseinate. C. Submucosal (b): Calcium is an important constituents of bones and teeth. Physiology of digestion Digestion: Digestion is the process of gradual break down of foods that we eat in a soluble form suitable for absorption. Digestion is the breakdown of large, complex organic molecules into smaller components that can be used by the body. Its deficiency also causes black tongue – disease of dogs Scurvy and pernicious anaemia are caused due to deficiency of vitamin C and vitamin B12 respectively. Deficiency of vitamin K. leads to slow rate of blood clotting. D: Upper and lower esophageal sphincters, located at the upper and lower ends of the esophagus, respectively, regulate the movement of food into and out of the esophagus. 26. 46. From the lacteals, the lipoprotein chylomicrons are carried into the blood stream directly via thoracic lymphatic duct. D: The next tunic is the muscularis, which in most parts of the digestive tube consists of an inner layer of circular smooth muscle and an outer layer of longitudinal smooth muscle. Select all that apply. Its deficiency in the body causes pellagra which is characterized by dermatitis (skin inflammation), diarrhoea and dementia (nervous disorder). D. Deglutition. It is about 25 centimeters (cm) long. 1, 2, 2, 3 MCQ quiz on Human Physiology multiple choice questions and answers on Human Physiology MCQ questions on Human Physiology objectives questions with answer test pdf for interview preparations, freshers jobs and competitive exams. The aldehyde derivative of vitamin A, retinal, is a constituent of the visual pigment rhodopsin. Kerry Brandis. Biology Question Bank – 57 MCQs on “Digestive System and Nutrition” – Answered! anatomy and physiology digestive system alimentary canal regions and accessory… operate to nourish mouth, pharynx, esophagus, stomach, sma… provide passage or secretions what are … (d): Secretin hormone is secreted by the duodenal epithelium in response to the presence of hydrochloric acid (HCI). 35. Deficiency of riboflavin (vitamin B2) causes inflammation of eyes, sores on the lips and skin diseases. © 2021 Nurseslabs | Ut in Omnibus Glorificetur Deus! 1, 2, 3, 2 Emulsification of fat is carried out by. The beta cells produce insulin, alpha cells produce glucagon and delta cells produce somatostatin. A: The opening from the esophagus into the stomach is called the cardiac opening because it is near the heart. Specifically, the digestive system takes in food (ingests it), breaks it down physically and chemically into nutrient molecules (digests it), and absorbs the nutrients into the bloodstream, then, it rids the body of indigestible remains (defecates). These enzymes digest proteins. (c): Anaemia is not a disease. 21. Access Free Mcq And Answers On Git System Physiology distention. Food Propulsion – Swallowing and Peristalsis. 29. A. Take this quiz to see how much you know about how digestion works. It is both exocrine; (secreting pancreatic juice containing digestive enzymes) and endocrine (producing several important hormones, including insulin, glucagon, and somatostatin). A: Mucous neck cells are found in the necks of the gastric pits. This requires a process of aerobic metabolism known as the citric acid cycle, which occurs in the mitochondria. Vitamin A cannot be synthesized by mammals and other vertebrates and must be provided in the diet. 14. Cholecystokinin (CC’K), a mixture of peptides, is secreted by cells in the duodenum when they are exposed to food. (a): Retinol (vitamin A) and calciferol are fat soluble vitamins but the pellagra is not the deficient disease of calciferol. It is a cartilaginous tube. Which of the following is correct pairing of site of action and substrate of rennin? 15. Prolonged deficiency of nicotinic acid causes. 25. 44. An 5. the symptoms are pain from neuritis, paralysis, muscle wasting, progressive oedema, mental deterioration and finally heart failure. The characteristics, components and functions of the autonomic nervous system. It also plays a major role in the process of swallowing. Red blood cells are also known as RBCs or erythrocytes. C: The opening from the stomach into the small intestine is the pyloric opening, which is surrounded by a relatively thick ring of smooth muscle called the pyloric sphincter. (a): Vitamin B12 (also called cyanocobalamine) is essential for the formation and maturation of erythrocytes. 1. (c): A system of veins leading from the digestive tract to capillaries in the liver of a vertebrate is known as hepatic portal system. Which of the following are functions of the tongue? If pancreas is removed, the compound which remain undigested is. Anatomy & Physiology: Digestive System, Ziser, 2003 11 Processing of Absorbed Nutrients Liver is main organ for metabolic regulation in the body over 200 specific functions 1. stores carbohydrates, iron, vitamin A, B12 & D 2. (b & d): Among the following options vitamin B12 is not correctly matched with beri-beri and vitamin B2 with pellagra. (a): Goat’s liver and Spirulina (a bactcrium) are the richest sources of vitamin B,,. The parotid ducts, also called Stenson’s ducts, open into the vestibule opposite the upper second molar teeth. (a): Kwashiorkar is a protein deficiency disease. When all carbohydrates of the body are used up then fats are converted into carbohydrates and when all fats are used up then ultimately proteins of the body are converted into carbohydrates to be used up by the body. C. To take in oxygen and give off carbon dioxide. (b): Tooth is mainly made of ivory like substance called dentine. There are two main types of exocrine pancreatic cells, responsible for two main classes of secretions. ... Digestive system Urinary system Respiratory system Lymphatic system Correct answer! What is finally delivered to the large intestine contains few nutrients, but that residue still has 12 to 24 hours more to spend there. D. It has upper and lower sphincters. This phase is responsible for the greatest volume of gastric secretions, and it is activated by the presence of food in the stomach. Which of the following digestive regions is responsible for the propulsion of materials into a) Stomach b) 51. (c): Ileum is the part of small intestine. E: Foveolar cells or surface mucous cells are mucus-producing cells which cover the inside of the stomach, protecting it from the corrosive nature of gastric acid. The activities of the stomach involve food breakdown and food propulsion. D. It requires carrier molecules and includes facilitated diffusion, cotransport, and active transport. Page 3 Page 3 info[at]objectivequiz[dot]com 26. 16. Git System Physiology Peterh De. Deficiency of vitamin E leads to destruction of RBCs. Xerophthalmia, osteomalacia and anaemia are caused by the deficiency of vit-A, vit-D and iron respectively. (a) it inhibits the secretion of gastric juice, (b) it stimulates the secretion of digestive juices in the stomach, (c) it stimulates the flow of pancreatic juice. The activities of the large intestine are food breakdown and absorption and defecation. (b): Bile contains no enzyme, and has no chemical action on food. They provide yellowish brown colour to the stool. Types of 6. Supplementing his diet with which of the following is likely to alleviate his symptoms? Secretin causes the release of bicarbonates in the pancreatic juice. Carbohydrate and fat metabolism can easily produce energy than protein and they follow a more or less simpler pathway to enter into TCA cycle. Physiology (MCQs) Model Paper MCQ.11 A blood transfusion reaction is likely to occur if a patient with blood group A+ is transfused with blood of group: a) A+ b) A- c) O+ d) O- e) AB- Key: e Topic Specification: Blood Groups MCQ.12 In a nerve fiber, inactivation of sodium channels gives rise to: a) Absolute refractory period. Enterogastrone is released when the stomach contents pass into the small intestine. It contains pancreatic amylase for the digestion of carbohydrates; trypsinogen, chymotry- psinogen and procarboxypeptidases for the digestion of proteins, pancreatic lipase for the digestion of fats and nuclease for nucleic acid. B. Gastric phase 2017/2018 Specifically, the digestive system takes in food (ingests it), breaks it down physically and chemically into nutrient molecules (digests it), and absorbs the nutrients into the bloodstream, then, it rids the body of indigestible remains (defecates). The deficient disorders related to cobalamine, vitamin C and calciferol are –. This is evidenced by the fact that vitamin B deficiency occurs on taking antibiotics which in addition to killing harmful bacteria also kill useful bacteria forming vitamin B. (a): Rennin is the enzyme secreted by stomach. It is essential for curdling of milk. Privacy Policy3. 50. A. A: The serous part of saliva, produced mainly by the parotid and submandibular glands, contains a digestive enzyme called salivary amylase. 19. DNA is broken down into purines, pyrimidines and sugars by pancreatic nuclease (such as DNAse). Course. The digestive system(figure 24.1) consists of the digestive tract, a tube extending from the mouth to the anus, and its associ- ated accessory organs,primarily glands, which secrete fluids into 7. A. The greatest volume of gastric secretion occurs during: A. Cephalic phase mcqs in medical physiology e s prakash. (c): Amylase, rennin and trypsin are enzymes and as all enzymes are proteins so these three are also proteins. Beri-beri is caused by the deficiency of vitamin B1 (Thiamine). The teeth can be divided into quadrants: right upper, left upper, right lower, and left lower. It causes the release of sodium bicarbonate in the pancreatic juice and also steps up secretion of bile in the liver. For example, meat, even when cooked, is chemically too complex to be absorbed from the alimentary canal.so, it first digested before absorption. Inner circular and outer longitudinal layers are characteristic of the emptying stomach especially nervous tissue the richest sources of b! With residue, the smallest of the major organs of speech linked to the and. Getting the books mcq and answers and maintains normal membrane Structure, that converted... Gastrointestinal Physiology Multiple Choice Question Bank – 57 MCQs on “ Excretion Osmoregulation. Digestion works and circulation, etc digestive system physiology mcq teeth questions ) in quiz Format on “ system... 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