Description : Brunner’s glands Present in (a) Mucosa of gut wall (b) Submucosa gut wall (c) Both (d) None
Last Answer : (b) Submucosa gut wall
Description : From the internal surface to the external surface, the digestive tube wall is made of mucosa (epithelial tissue responsible for the intestinal absorption), submucosa (connective tissue beneath the ... within the abdominal cavity. Digestion System - Image Diversity: histology of the digestive tube
Last Answer : What is the location of the salivary glands in humans?
Description : Which of the following statements is not correct? (a) Oxyntic cells are present in the mucosa of stomach and secrete HCl. (b) Acini are present in the pancreas and secrete carboxypeptidase. (c ... and secrete pepsinogen. (d) Goblet cells are present in the mucosa of intestine and secrete mucus
Last Answer : (c) Brunner’s glands are present in the submucosa of stomach and secrete pepsinogen.
Description : Brunner’s glands occur in (a) submucosa of duodenum (b) submucosa of stomach (c) mucosa of oesophagus (d) mucosa of ileum.
Last Answer : (a) submucosa of duodenum
Description : In gastric glands mucus cells are more in (a) Neck (b) Basal part (c) Middle (d) None
Last Answer : (a) Neck
Description : The active form of Entamoeba histolytica feeds upon (a) food in intestine (b) blood only (c) erythrocytes, mucosa and submucosa of colon (d) mucosa and submucosa of colon only
Last Answer : (c) erythrocytes, mucosa and submucosa of colon
Description : What will happen if the secretion of parietal cells of gastric glands is blocked with an inhibitor? (a) In the absence of HCl secretion, inactive pepsinogen is not converted into the active ... c) Gastric juice will be deficient in chymosin. (d) Gastric juice will be deficient in pepsinogen.
Last Answer : (a) In the absence of HCl secretion, inactive pepsinogen is not converted into the active enzyme pepsin.
Description : Cardiac glands are found in (a) Pericardium (b) Myocardium (c) Intestine (d) Stomach
Last Answer : (d) Stomach
Description : Brunner’s glands are found in (a) Duodenum only (b) Ileum only (c) Both (d) None.
Last Answer : (a) Duodenum only
Description : Peneath cells are found in : (a) Intestinal gland (b) Gastric gland (c) Cardiac gland (d) All the above
Last Answer : (a) Intestinal gland
Description : Salivary glands open into (a) Buccal cavity (b) Oesophagus (c) Stomach (d) All
Last Answer : (a) Buccal cavity
Description : Which salivary gland is absent in man (a) Sublingual glands (b) Sub-maxillary glands (c) Infra-orbital glands (d) Parotid glands
Last Answer : (c) Infra-orbital glands
Description : Brunner's gland also known as (a) Mucous glands (b) Duodenal glands (c)Both (d) None
Last Answer : (c)Both
Description : Brunner's glands are present in (a) Stomach (b) Liver (c) Small intestine (d) Large intestine
Last Answer : (c) Small intestine
Description : Payers patches are (C.P.M.T.89) (a) Lymph nodules in intestine (b) Mucus cells of gastric gland (c) Gastric pits of stomach (d) None of the above
Last Answer : (a) Lymph nodules in intestine
Description : Gastric hormone is produced by (a) Parietal cells (b) Argentophitic cells (c) Basal cells (d) Peptic cells
Last Answer : (b) Argentophitic cells
Description : Zymogen cells of gastric gland secrete (a) Pepsinogen (b) Chymotrypsin (c) Pepsin (d) Trypsin
Last Answer : (a) Pepsinogen
Description : A good source of lipase is (a) Saliva (b) Bile (c) Gastric juice (d) Pancreatic juice .
Last Answer : (d) Pancreatic juice .
Description : Rennin is a (a) Salivary product (b) Gastric product (c) Pancreatic product (d) All these
Last Answer : (b) Gastric product
Description : Gastric juice includes (a) HCI (b) Pepsin (c) Rennin (d) All
Last Answer : (d) All
Description : Enzyme responsible for the digestion of starch in food of main is Present in (e) Salivary and gastric secretion. (b) Salivary and pancreatic secretion (c) Gastric and pancreatic secretion (d) Gastric and duodenal secretion
Last Answer : (b) Salivary and pancreatic secretion
Description : Crypts of leiberkuhn is (a) gastric gland (b) Intestinal gland (c) No gland (d) None
Last Answer : (b) Intestinal gland
Description : Inhibition of gastric secretion is brought about (a)Enterogastrone (b)Cholecystokinin (c) Both (d) None
Last Answer : (a)Enterogastrone
Description : Which are enzymes of gastric gland (a) Trypsin and rennin (b) Pepsin and rennin (c) Lipase and trypsin (d) Vessopressin and lipase
Last Answer : (b) Pepsin and rennin
Description : One of the following inhibits the secretion of gastric juices (a) Enterogastrone (b) Secretin (c)C C K (d) Gastrin
Last Answer : (a) Enterogastrone
Description : The distinctive feature of the isoenzyme cyclooxygenase-2 is (a) It is not inhibited by indomethacin (b) It is inducible (c) It generates cytoprotective prostagladins in gastric mucosa (d) It is found only in foetal tissues
Last Answer : Ans: B
Description : Gastric pits are found in the mucosa of which digestive organ? A. stomach B. duodenum C. jejunum D. ileum
Last Answer : A. stomach
Description : The distinctive feature of the isoenzyme cyclooxygenase-2 is: A. It is not inhibited by indomethacin B. It is inducible C. It generates cytoprotective prostagladins in gastric mucosa D. It is found only in foetal tissues
Last Answer : B. It is inducible
Description : There are 6 major salivary glands and they are located one in each parotid gland, two beneath the mandibles (submandibular) and two in the base of the tongue (sublingual). More than 700 other minor salivary glands exist dispersed on the lip mucosa, gingiva, palate and pharynx.
Last Answer : What is the approximate pH of the salivary secretion? Is it an acid or basic fluid? What are the main functions of saliva?
Description : Which of the following terms is used to describe stone formation in a salivary gland, usually the submandibular gland? a) Sialolithiasis Salivary stones are formed mainly from calcium phosphate. b ... of the salivary glands. d) Stomatitis Stomatitis refers to inflammation of the oral mucosa.
Last Answer : a) Sialolithiasis Salivary stones are formed mainly from calcium phosphate.
Description : Identify the correct statement with reference to human digestive system. (a) Ileum opens into small intestine. (b) Serosa is the innermost layer of the alimentary canal. (c) IIeum is a highly coiled part. (d) Vermiform appendix arises from duodenum.
Last Answer : (c) IIeum is a highly coiled part.
Description : Deficiency of vitamin B12 can occur because of (A) Decreased intake of vitamin B12 (B) Atrophy of gastric mucosa (C) Intestinal malabsorption (D) All of these
Last Answer : Answer : D
Description : All of the following statements about cholecystokinin pancreozymin are true except (A) It is secreted by mucosa of small intestine (B) It stimulates secretion of pancreatic juice rich in enzymes (C) It stimulates contraction of gall bladder (D) It inhibits gastric motility
Description : Bromhexine acts by (a) Inhibiting cough center (b) Irritating gastric mucosa and reflexly increasing bronchial secretion (c) Depolymerizing mucopolysaccharides present (d) Desensitizing stretch receptors in the lungs
Last Answer : Ans: C
Description : Which of the following will result from blockade of H2 receptors? (a) Decreased camp in cardiac muscle (b) Increased camp in cardiac muscle (c) Decreased IP3 in gastric mucosa (d) Increased IP3 in gastric mucosa (e) Increased IP3 in smooth muscle
Last Answer : Ans: A
Description : How is the gastric mucosa protected from the acid pH of the stomach?
Last Answer : The gastric epithelium is mucus secretory, i.e., it produces mucus. The mucus covers the stomach wall preventing corrosion by the gastric juice.
Description : Decrease in absorption of which of the following vitamins in the geriatric patient results in pernicious anemia? a) B12 Vitamin B12 requires the intrinsic factor secreted by the gastric mucosa for ... results in an inability to absorb calcium. d) B6 Vitamin B6 affects neuromuscular function.
Last Answer : a) B12 Vitamin B12 requires the intrinsic factor secreted by the gastric mucosa for absorption.
Description : In regard to Plummer-Vincent syndrome or “Paterson and Kelly syndrome”: A. Iron deficiency is a feature B. Atrophic oral and gastric mucosa C. Dysphagia and angular cheilitis D. Predisposing oral cancer E. All of the above
Last Answer : E. All of the above
Description : Sucralfate promotes healing of duodenal ulcer by: A. Enhancing gastric mucus and bicarbonate secretion B. Coating the ulcer and preventing the action of acid-pepsin on ulcer base C. Promoting regeneration of mucosa D. Both ‘A’ and ‘B’ are correct
Last Answer : B. Coating the ulcer and preventing the action of acid-pepsin on ulcer base
Description : Choose the antiulcer drug that inhibits gastric acid secretion, stimulates gastric mucus and bicarbonate secretion and has cytoprotective action on gastric mucosa: A. Misoprostol B. Sucralfate C. Carbenoxolone sodium D. Colloidal bismuth subcitrate
Last Answer : A. Misoprostol
Description : The primary mechanism by which prostaglandins promote ulcer healing is: A. Inhibition of gastric acid secretion B. Augmentation of bicarbonate buffered mucus layer covering gastroduodenal mucosa C. Increased bicarbonate secretion in gastric juice D. Increased turnover of gastric mucosal cell
Last Answer : B. Augmentation of bicarbonate buffered mucus layer covering gastroduodenal mucosa
Description : The following is true of proton pump inhibitors except: A. They are the most effective drugs for Zolinger Ellison syndrome B. Their prolonged use can cause atrophy of gastric mucosa C. They inhibit growth of H. pylori in stomach D. They have no effect on gastric motilit
Last Answer : B. Their prolonged use can cause atrophy of gastric mucosa
Description : Histamine H2 blockers attenuate the gastric secretory response to acetylcholine and pentagastrin as well because: A. H2 blockers block gastric mucosal cholinergic and gastrin receptors as well B. H2 ... acetylcholine and gastrin all act through the phospholipase C-IP3:DAG pathway in gastric mucosa
Last Answer : C. Acetylcholine and gastrin act partly by releasing histamine in gastric mucosa
Description : Oxethazaine is used for anaesthetizing gastric mucosa because: A. It is not absorbed from the gastrointestinal tract B. It remains largely unionized in acidic medium C. It is highly ionized in acidic medium D. It produces no systemic effects even at high doses
Last Answer : B. It remains largely unionized in acidic medium
Description : Adrenaline is inactive orally because it is: A. Not absorbed from the gastrointestinal tract B. Destroyed by gastric acid C. Completely metabolized in the intestinal mucosa and liver before reaching systemic circulation D. Taken up by adrenergic nerve endings of the intestinal wall, liver and lungs
Last Answer : C. Completely metabolized in the intestinal mucosa and liver before reaching systemic circulation
Description : Bromhexine acts by: A. Inhibiting cough centre B. Irritating gastric mucosa and reflexly increasing bronchial secretion C. Depolymerizing mucopolysaccharides present in sputum. D. Desensitizing stretch receptors in the lungs
Last Answer : C. Depolymerizing mucopolysaccharides present in sputum.
Description : The isoenzyme cyclooxygenase-2 (COX-2) is expressed constitutively at the following site: A. Gastric mucosa B. Neutrophils C. Blood platelets D. Juxtaglomerular apparatus
Last Answer : D. Juxtaglomerular apparatus
Description : The actions of platelet activating factor include the following except: A. Increased capillary permeability B. Bronchodilatation C. Vasodilatation D. Erosion of gastric mucosa
Last Answer : B. Bronchodilatation
Description : Name the cells found in gastric glands which secrets the proenzyme pepsinogen
Last Answer : Name the cells found in gastric glands which secrets the proenzyme pepsinogen