Anatomy And Physiology Questions - The Digestive System

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 Anatomy And Physiology Questions - The Digestive System
Questions about the GI tract. Linked to the "Maturity 2" case unit.

  
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  • 1. 
    Which of following processes is the function of the smooth muscle layer of the digestive system?
    • A. 

      Ingestion

    • B. 

      Secretion

    • C. 

      Mixing and propulsion

    • D. 

      Absoprtion

    • E. 

      None of the above


  • 2. 
    Which of following processes is the primary function of the mouth?
    • A. 

      Ingestion

    • B. 

      Secretion

    • C. 

      Mixing and propulsion

    • D. 

      Absorption

    • E. 

      None of the above


  • 3. 
    Which of following processes is the primary function of the villi of the small intestine?
    • A. 

      Ingestion

    • B. 

      Secretion

    • C. 

      Mixing and propulsion

    • D. 

      Absorption

    • E. 

      None of the above


  • 4. 
    Which of the following accessory organs produces a fluid to soften food?
    • A. 

      Teeth

    • B. 

      Salivary glands

    • C. 

      Liver

    • D. 

      Gallbladder

    • E. 

      Pharynx


  • 5. 
    Which of the following accessory organs produces a fluid that functions to emulsify dietary fats?
    • A. 

      Teeth

    • B. 

      Salivary glands

    • C. 

      Liver

    • D. 

      Gallbladder

    • E. 

      Pharynx


  • 6. 
    Which of the following accessory organs stores bile?
    • A. 

      Teeth

    • B. 

      Salivary glands

    • C. 

      Liver

    • D. 

      Gallbladder

    • E. 

      Pharynx


  • 7. 
    The capability of the GI tract to move material along its length is called:
    • A. 

      Motility

    • B. 

      Propulsion

    • C. 

      Digestion

    • D. 

      Absorption

    • E. 

      Defecation


  • 8. 
    This layer of the GI tract is composed of areolar connective tissue containing blood and lymph vessels.
    • A. 

      Mucosa

    • B. 

      Lamina propria

    • C. 

      MALT

    • D. 

      Muscularis

    • E. 

      Epithelium


  • 9. 
    This layer of the GI tract is composed of areolar connective tissue that binds the mucosa to the muscularis.
    • A. 

      Submucosa

    • B. 

      Lamina propria

    • C. 

      Epithelium

    • D. 

      Serosa

    • E. 

      None of the above


  • 10. 
    This layer functions by secreting a lubricating fluid.
    • A. 

      Serosa

    • B. 

      Submucosa

    • C. 

      Muscularis

    • D. 

      Mucosa

    • E. 

      MALT


  • 11. 
    These are composed of prominent lymphatic nodules that function in the immune response.
    • A. 

      Mucosa

    • B. 

      Lamina propria

    • C. 

      MALT

    • D. 

      Submucosa

    • E. 

      Serosa


  • 12. 
    This plexus is located betweeen the longitudinal and circular smooth muscle layers of the muscularis.
    • A. 

      ENS

    • B. 

      Myenteric plexus

    • C. 

      Submucosal plexus

    • D. 

      Digestive plexus

    • E. 

      Absorption plexus


  • 13. 
    Why do emotions suchas anger or fear slow digestion?
    • A. 

      Because they stimulate the parasympathetic nerves supplying the GI tract

    • B. 

      Because they stimulate the somatic nerves that supply the GI tract

    • C. 

      Because they stimulate the sympathetic nerves that supply the GI tract

    • D. 

      They do not affect digestion

    • E. 

      Because all emotions are controlled by the vagus nerve


  • 14. 
    This portion of the peritoneum drapes over the transverse colon and coils of the small intestine.
    • A. 

      Greater omentum

    • B. 

      Falciform ligament

    • C. 

      Lesser omentum

    • D. 

      Mesentery

    • E. 

      Mesocolon


  • 15. 
    This portion of the peritoneum attaches the liver to the anterior abdominal wall and diaphragm.
    • A. 

      Greater omentum

    • B. 

      Falciform ligament

    • C. 

      Lesser omentum

    • D. 

      Mesentery

    • E. 

      Mesocolon


  • 16. 
    This portion of the peritoneum is largely responsible for carrying blood and lymph vessels to the intestines.
    • A. 

      Greater omentum

    • B. 

      Falciform ligament

    • C. 

      Lesser omentum

    • D. 

      Mesentery

    • E. 

      Mesocolon


  • 17. 
    The hard palate
    • A. 

      Is the anterior portion of the roof of the mouth

    • B. 

      Is formed by the maxillae and palatine bones

    • C. 

      Is covered by a mucous membrane

    • D. 

      Both a and b

    • E. 

      All of the abovw


  • 18. 
    In the mouth, this runs posteriorly to the sides of the pharynx.
    • A. 

      Uvulva

    • B. 

      Palatoglossal arch

    • C. 

      Palatopharyngeal arch

    • D. 

      Parotid glands

    • E. 

      Sublingual glands


  • 19. 
    In the mouth, the tooth sockets are lined with
    • A. 

      Gingivae

    • B. 

      Cementum

    • C. 

      Periodontal ligament

    • D. 

      Pulp

    • E. 

      Root


  • 20. 
    Deciduous molars are replaced by
    • A. 

      Bicuspids

    • B. 

      Molars

    • C. 

      Incisors

    • D. 

      Canines

    • E. 

      Wisdome teeth


  • 21. 
    Which of the following contains skeletal muscle?
    • A. 

      Upper oesophageal sphincter

    • B. 

      Lower oesophageal sphincter

    • C. 

      Serosa

    • D. 

      Submucosa

    • E. 

      Periodontal ligament


  • 22. 
    How many phases of deglutition are there?
    • A. 

      2

    • B. 

      3

    • C. 

      4

    • D. 

      5

    • E. 

      8


  • 23. 
    This structure of the stomach allows greater distension for food storage.
    • A. 

      Cardia

    • B. 

      Fundus

    • C. 

      Pylorus

    • D. 

      Rugae

    • E. 

      Sphincter


  • 24. 
    Which of the following secrete gastric acid?
    • A. 

      Mucous cells

    • B. 

      Parietal cells

    • C. 

      Chief cells

    • D. 

      Serosa cells

    • E. 

      Chyme cells


  • 25. 
    This cell secretes the hormone that promotes production of gastric acid.
    • A. 

      Neck cell

    • B. 

      Chief cell

    • C. 

      G cell

    • D. 

      Chyme cell

    • E. 

      Parietal cell


  • 26. 
    How long can food stay in the fundus before being mixed with gastric juices?
    • A. 

      10 minutes

    • B. 

      20 minutes

    • C. 

      30 minutes

    • D. 

      45 minutes

    • E. 

      1 hour


  • 27. 
    This major duct carries a fluid rich in bicarbonate ions.
    • A. 

      Pancreatic duct

    • B. 

      Hepatopancreatic duct

    • C. 

      Cystic duct

    • D. 

      Bile duct

    • E. 

      Hepatic duct


  • 28. 
    Which of the following gastric enzymes digests proteins?
    • A. 

      Trypsin

    • B. 

      Elastase

    • C. 

      Lipase

    • D. 

      Pepsin

    • E. 

      All of the above


  • 29. 
    This is the heaviest internal organ of the body.
    • A. 

      Heart

    • B. 

      Liver

    • C. 

      Pancreas

    • D. 

      Large intestine

    • E. 

      Thyroid


  • 30. 
    This is found on the liver and is a remnant of the umbilical cord in a fetus.
    • A. 

      Coronary ligament

    • B. 

      Falciform ligament

    • C. 

      Round ligament

    • D. 

      Kupffer ligament

    • E. 

      Bile ductules


  • 31. 
    This is the principle bile pigment.
    • A. 

      Stercobilin

    • B. 

      Bilirubin

    • C. 

      Biliverdin

    • D. 

      A and B

    • E. 

      A, B and C


  • 32. 
    Which of the following is NOT a function of the liver?
    • A. 

      Conversion of carbohydrates

    • B. 

      Protein metabolism

    • C. 

      Storage of bilirubin

    • D. 

      Phagocytosis

    • E. 

      Storage of vitamins


  • 33. 
    Which of the following small intestine cells secrete lysozyme?
    • A. 

      Goblet cells

    • B. 

      Absorptive cells

    • C. 

      Mucosa cells

    • D. 

      Paneth cells

    • E. 

      S cells


  • 34. 
    Brunner's glands secrete
    • A. 

      Mucus

    • B. 

      An acidic juice

    • C. 

      An alkaline juice

    • D. 

      Mucus and acidic juice

    • E. 

      Mucus and alkaline juice


  • 35. 
    Which of the following enzymes acts to produce monoglycerides as products?
    • A. 

      Lipase

    • B. 

      Amylase

    • C. 

      Trypsin

    • D. 

      Phosphatase

    • E. 

      Ligase


  • 36. 
    Which of the following pancreatic enzymes acts to produce monosaccharides?
    • A. 

      Chymotrypsin

    • B. 

      Amylase

    • C. 

      Trypsin

    • D. 

      Phosphatase

    • E. 

      Nucleosidase


  • 37. 
    Which of the following pancreatic enzymes acts to produce smaller peptides from proteins?
    • A. 

      Chymotrypsin

    • B. 

      Amylase

    • C. 

      Pepsin

    • D. 

      Phosphatase

    • E. 

      Nucleosidase


  • 38. 
    This hormone functions to counteract the effect of gastric acid in the small intestine.
    • A. 

      Pepsin

    • B. 

      Secretin

    • C. 

      Gastrin

    • D. 

      Cholecytokinin

    • E. 

      Amylase


  • 39. 
    This hormone is stimulated by high levels of dietary fat in the small intestine.
    • A. 

      Pepsin

    • B. 

      Secretin

    • C. 

      Gastrin

    • D. 

      Cholecystokinin

    • E. 

      Amylase


  • 40. 
    This digestive aid, produced by the stomach, begins digestion by denaturing proteins.
    • A. 

      Bicarbonate ion

    • B. 

      Mucus

    • C. 

      Bile

    • D. 

      Hydrochloric acid

    • E. 

      Sulphuric acid


  • 41. 
    This structure regulates the flow of material into the colon.
    • A. 

      Ileocecal sphincter

    • B. 

      Pyloric sphincter

    • C. 

      Appendix

    • D. 

      Sigmoid colon

    • E. 

      Anal canal


  • 42. 
    Which of the following is the primary function of the large intestine?
    • A. 

      Mechanical digestion

    • B. 

      Chemical digestion

    • C. 

      Nutrient absorption

    • D. 

      Faeces formation

    • E. 

      Regulation of blood glucose


  • 43. 

    What is A pointing to?
    • A. 

      Lumen

    • B. 

      MALT

    • C. 

      Mucosa

    • D. 

      Submucosa

    • E. 

      Muscularis


  • 44. 

    What layer is composed of areolar connective tissue and epithelium?
    • A. 

      A

    • B. 

      B

    • C. 

      C

    • D. 

      D

    • E. 

      E


  • 45. 

    Which layer contains the lamina propria?
    • A. 

      A

    • B. 

      B

    • C. 

      C

    • D. 

      D

    • E. 

      E


  • 46. 

    This consists of calcified connective tissue.
    • A. 

      A

    • B. 

      B

    • C. 

      E

    • D. 

      F

    • E. 

      G


  • 47. 

    What is F pointing to?
    • A. 

      Pulp cavity

    • B. 

      Cementum

    • C. 

      Root canal

    • D. 

      Alveolar bone

    • E. 

      Gingival sulcus


  • 48. 

    This has an opening called the apical foramen.
    • A. 

      A

    • B. 

      F

    • C. 

      G

    • D. 

      H

    • E. 

      I


  • 49. 

    This is the portion of the stomach that connects to the duodenum.
    • A. 

      A

    • B. 

      E

    • C. 

      B

    • D. 

      C

    • E. 

      J


  • 50. 

    What does G point to?
    • A. 

      Pylorus

    • B. 

      Pyloric sphincter

    • C. 

      Ruggae

    • D. 

      Pyloric canal

    • E. 

      Greater curvature


  • 51. 

    This is the area where pyloric stenosis occurs.
    • A. 

      E

    • B. 

      F

    • C. 

      G

    • D. 

      B

    • E. 

      I


  • 52. 

    What is I pointing to?
    • A. 

      Greater curvature

    • B. 

      Lesser curvature

    • C. 

      Body

    • D. 

      Fundus

    • E. 

      Cardia


  • 53. 

    Which of the following cells secrete mucus?
    • A. 

      A

    • B. 

      B

    • C. 

      C

    • D. 

      D

    • E. 

      E


  • 54. 

    Which of the following cells secretes intrinsic fctor?
    • A. 

      A

    • B. 

      B

    • C. 

      C

    • D. 

      D

    • E. 

      E


  • 55. 

    Which of the following cells secretes gastrin?
    • A. 

      A

    • B. 

      B

    • C. 

      C

    • D. 

      D

    • E. 

      E


  • 56. 

    Which of the following cells secretes pepsinogen?
    • A. 

      A

    • B. 

      B

    • C. 

      C

    • D. 

      D

    • E. 

      E


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