The plicae circularis and the intestinal villi are seen in which layer of the gastrointestinal tract wall?
1) mucosa
2) submucosa
3) muscularis externa
4) serosa
5) adventitia
mucosa
Mary was suffering from typhoid fever and was told that it had affected the Peyer's patches in her body and caused ulcerations in these patches. Which part of her gastrointestinal tract was affected?
1) stomach
2) esophagus
3) ileum
4) ascending colon
5) rectum
ileum
The absorptive effectiveness of the small intestine is enhanced by increasing the surface area of the mucosal lining.Which of the following best accomplish the task?
1) vast array of digestive enzymes produced by the lining epithelial cells
2) Brunner's glands
3) The rugae
4) plicae circularis and villi
5) crypts of Lieburkuhn
plicae circularis and villi
All of the following are true of the large intestine ,EXCEPT:
1) it does not have villi
2) it has numerous goblet cells
3) it has longitudinal bands called taenia
4) it is longer than the small intestine
5) it has sacculations
it is longer than the small intestine
Which vitamin requires intrinsic factor in order to be absorbed?
1) Vitamin C
2) Vitamin D
3) Vitamin A
4) Vitamin B12
5) Vitamin K
Vitamin B12
The ducts that deliver bile and pancreatic juice from the liver and pancreas, respectively, unite to open into the:
1) cystic duct
2) bile canaliculi
3) common hepatic duct
4) hepatopancreatic ampulla
hepatopancreatic ampulla
If an incision has to be made in the small intestine to remove an obstruction, the first layer of tissue to be cut is the:
1) serosa
2) muscosa
3) muscularis externa
4) submucosa
serosa
Misty has a swelling in front of her ear which is extremely painful and especially so when she eats. She is told that it is a glandular inflammation. Which of the glands mentioned below, do you think is affected?
1) submandibular salivary gland
2) parotid salivary gland
3) pancreas
4) liver
parotid salivary gland
Paneth cells:
1) are present in the stomach
2) are absorptive cells in the small intestine
3) secrete mucus
4) secrete antibacterial substances
5) secrete gastrin
secrete antibacterial substances
The function of the portal circulation through the liver is to:
1) carry toxins through the venous circualtion for disposal through the bile duct
2) carry absorbed nutrients for metabolic processing by the liver
3) distribute hormones to be processed in the liver
4) return glucose to the general circulation when levels are low
carry absorbed nutrients for metabolic processing by the liver
All of the following conforms to the histological picture of the liver, except:
1) It consists of hexagonal lobules
2) The lobules have plates of cells around a central vein
3) The portal triad is seen in the connective tissue around the corners, and consists of branches of the hepatic artery, bile duct and portal vein
4) The sinusoids lie inbetween the hepatocytes and contain just arterial blood
The sinusoids lie inbetween the hepatocytes and contain just arterial blood
Abdominal organs are completely or partially covered by the visceral layer of peritoneum and are surrounded by the peritoneal cavity.
1) True
2) False
True
Which of the cells mentioned below would secrete Gastrin?
1) Parietal cells
2) Enteroendocrine cells
3) Chief cells
4) Paneth cells
5) Brunner's cells
Enteroendocrine cells
All of the following are true about the pancreas, except:
1) It consists of endocrine and exocrine parts
2) It is highly vascular
3) The exocrine portion consists of serous acini
4) It is divided into a head, body, uncinate process and tail
5) The head contains the maximum Islets of Langerhans
The head contains the maximum Islets of Langerhans
Sacculations in the large intestine are due to:
1) Fat pockets called appendices epiplocae
2) Haustra
3) Mesentry
4) Bands of longitudinal muscle called taenia
Bands of longitudinal muscle called taenia
The opening of the bile and pancreatic ducts is seen in the:
1) First part of the duodenum
2) The ileum
3) The jejunum
4) The second part of the duodenum
The second part of the duodenum
Gastric reflux of acid, into the esophagus is prevented by
1) An anatomical sphincter that is present at the lower end of the esophagus
2) The short length of the esophagus in the abdomen
3) A physiological sphincter that is present at the lower end of the esophagus
4) Mucus glands present at the lower end of the esophagus
A physiological sphincter that is present at the lower end of the esophagus
The opening of the salivary glands is in the:
1) Oropharynx
2) Oral cavity
3) Nasopharynx
4) Palate
Oral cavity
The cells responsible for secreting Intrinsic factor are:
1) Parietal cells of the small intestine
2) Parietal cells of the stomach
3) Chief cells of the stomach
4) Enteroendocrine cells of the small intestine
Parietal cells of the stomach
The submucosa contains all of the following except:
1) Blood vessels
2) Glands
3) Lymphatics
4) Myenteric nerve plexus
Myenteric nerve plexus
The bile duct is formed by the union of the common hepatic duct and the cystic duct
1) True
2) False
True
The following statements are true about the stomach, except:
1) There are two orifices, cardiac and pyloric
2) The pyloric region has a physiological sphincter
3) The greater curvature is longer than the lesser curvature
4) The fundus is the highest part of the stomach and is normally filled with air.
The pyloric region has a physiological sphincter
The 4 histological layers of the GI tract are:
1) Epithelium, mucosa, submucosa and muscularis externa
2) Mucosa, submucosa ,muscularis externa and serosa or adventitia
3) Epithelium, submucosa, muscularis externa and serosa or adventitia
4) Mucosa, submucosa ,muscularis mucosa and serosa or adventitia
Mucosa, submucosa ,muscularis externa and serosa or adventitia
The major function of the large intestine is:
1) Digestion
2) Production of Vitamin D
3) Absorption of nutrients
4) All of the above
5) None of the above
None of the above
You would expect to find darkly staining acini as well as lightly staining acini in the submandibular salivary gland.
1) True
2) False
True