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Chapter 23

82 Questions
Digestion Quizzes & Trivia

Digestive System

Questions and Answers
  • 1. 
    Which of the following best describes the chewing of food?
    • A. 

      Emulsification

    • B. 

      Mechanical digestion

    • C. 

      Peristalsis

    • D. 

      Aborption

  • 2. 
    Which of the following best describes why food moves through the digestive system from the mouth toward the anus?
    • A. 

      Emulsification

    • B. 

      Mastication

    • C. 

      Defecation

    • D. 

      Peristalsis

  • 3. 
    Food moves through the esophagus to the
    • A. 

      Cecum

    • B. 

      Duodenum

    • C. 

      Stomach

    • D. 

      Common bile duct

  • 4. 
    The fundus, body, and pylorus are parts of the
    • A. 

      Small intestine

    • B. 

      Large intestine

    • C. 

      Biliary tree

    • D. 

      Stomach

  • 5. 
    The stomach mixes and mashes a bolus of food that is called
    • A. 

      Feces

    • B. 

      Flatus

    • C. 

      Chyle

    • D. 

      Chyme

  • 6. 
    A paralytic ileus is caused by a cessation of
    • A. 

      Peristalsis

    • B. 

      Mastication

    • C. 

      Emulsification

    • D. 

      Deglutition

  • 7. 
    The appendix
    • A. 

      Is located in the right upper quadrant

    • B. 

      Can rupture and cause peritonitis

    • C. 

      Is attache to the sigmoid colon

    • D. 

      Is located in the dorsal cavity

  • 8. 
    Which of the following form(s) the large intestine?
    • A. 

      Duodenum, ileum, and jejunum

    • B. 

      Colon

    • C. 

      Fundus, body, and pylorus

    • D. 

      Sphincter of Oddi and ampulla of Vater

  • 9. 
    What is the most important nerve of the digestive tract?
    • A. 

      Phrenic

    • B. 

      Sciatic

    • C. 

      Vagus

    • D. 

      Olfactory

  • 10. 
    Bile is not found in this structure.
    • A. 

      Cystic duct

    • B. 

      Liver

    • C. 

      Pancreas

    • D. 

      Duodenum

  • 11. 
    This is the site of most chemical digestion.
    • A. 

      Stomach

    • B. 

      Mouth

    • C. 

      Cecum

    • D. 

      Duodenum

  • 12. 
    • A. 

      Duodenum

    • B. 

      Ileum

    • C. 

      Colon

    • D. 

      Stomach

  • 13. 
    Which surgical procedure is most likely to cause dumping syndrome?
    • A. 

      Appendectomy

    • B. 

      Colostomy

    • C. 

      Gastrectomy

    • D. 

      Cholecystectomy

  • 14. 
    This organ secretes the most potent of the digestive enzymes.
    • A. 

      Liver

    • B. 

      Pancreas

    • C. 

      Duodenum

    • D. 

      Spleen

  • 15. 
    Which of the following best describes the duodenum, jejunum, and the ileum?
    • A. 

      Colon

    • B. 

      Biliary tree

    • C. 

      Hepatic portal circulation

    • D. 

      Small intestine

  • 16. 
    The word hepatic refers to the
    • A. 

      Pancreas

    • B. 

      Portal vein

    • C. 

      Mesentery

    • D. 

      Liver

  • 17. 
    The sigmoid is part of the
    • A. 

      Small intestine

    • B. 

      Colon

    • C. 

      Hepatic portal circulation

    • D. 

      Stomach

  • 18. 
    The common bile duct empties its contents into the
    • A. 

      Stomach

    • B. 

      Base of the esophagus

    • C. 

      Duodenum

    • D. 

      Cecum

  • 19. 
    Which structure prevents gastric reflux?
    • A. 

      Pyloric valve

    • B. 

      Ileocecal valve

    • C. 

      Lower esophageal sphincter

    • D. 

      Anal sphincter

  • 20. 
    This organ synthesizes clotting factors, stores vitamins, detoxifies drugs, and helps regulate blood glucose.
    • A. 

      Pancreas

    • B. 

      Liver

    • C. 

      Stomach

    • D. 

      Appendix

  • 21. 
    The cecum is part of the
    • A. 

      Duodenum

    • B. 

      Large intestine

    • C. 

      Biliary tree

    • D. 

      Stomach

  • 22. 
    This membrane resembles an apron draped over the abdominal organs
    • A. 

      Cecum

    • B. 

      Omentum

    • C. 

      Cementum

    • D. 

      Gingiva

  • 23. 
    Enamel, dentin, and cementum are related to this structure
    • A. 

      Tooth

    • B. 

      Liver

    • C. 

      Colon

    • D. 

      Villi

  • 24. 
    Deciduous, baby, and milk are descriptive for which structure?
    • A. 

      Gums

    • B. 

      Sinuses

    • C. 

      Teeth

    • D. 

      Tonsils

  • 25. 
    The appendix is attached to this structure.
    • A. 

      Cecum

    • B. 

      Stomach

    • C. 

      Pylorus

    • D. 

      Sigmoid

  • 26. 
    The elimination of gas that is produced during digestion and released from the anus is called
    • A. 

      Flatulence

    • B. 

      Eructation

    • C. 

      Deglutition

    • D. 

      Mastication

  • 27. 
    Emulsification is most associated with this substance.
    • A. 

      Trypsin

    • B. 

      Hydrochloric acid

    • C. 

      Bile

    • D. 

      Ptyalin

  • 28. 
    Which enzyme is found in saliva?
    • A. 

      Bile

    • B. 

      Trypsin

    • C. 

      Ptyalin

    • D. 

      Lipase

  • 29. 
    Which of the following produces amino acids as its end-product of digestion?
    • A. 

      Bile

    • B. 

      Lipase

    • C. 

      Trypsin

    • D. 

      Amylase

  • 30. 
    Which of the following produces the disaccharides as its end-products of digestion?
    • A. 

      Lipase

    • B. 

      Amylase

    • C. 

      Hydrochloric acid

    • D. 

      Gastrin

  • 31. 
    Which of the following is least characteristic of glucose?
    • A. 

      Monosaccharide

    • B. 

      Carbohydrate

    • C. 

      An end-product of digestion by a disaccharidase

    • D. 

      Trypsin

  • 32. 
    Gingiva refers to the
    • A. 

      Teeth

    • B. 

      Microvilli

    • C. 

      Gums

    • D. 

      Tongue

  • 33. 
    Deglutition refers to
    • A. 

      Chewing

    • B. 

      Peristalsis

    • C. 

      Swallowing

    • D. 

      Burping

  • 34. 
    Chyle is found within the
    • A. 

      Portal vein

    • B. 

      Stomach

    • C. 

      Lacteals

    • D. 

      Pancreas

  • 35. 
    This organ produces bile and secretes it into the hepatic ducts
    • A. 

      Pancreas

    • B. 

      Gallbladder

    • C. 

      Spleen

    • D. 

      Liver

  • 36. 
    Parotid, sublingual, and submandibular refer to
    • A. 

      Parts of the large intestine.

    • B. 

      Digestive enzymes

    • C. 

      Salivary glands

    • D. 

      Hepatic ducts

  • 37. 
    The wall of this structure secretes cholecystokinin.
    • A. 

      Stomach

    • B. 

      Pylorus

    • C. 

      Duodenum

    • D. 

      Cecum

  • 38. 
    Gastrin, secretin, and cholecystokinin are
    • A. 

      Secreted by the stomach

    • B. 

      Amylases

    • C. 

      Emulsifying agents

    • D. 

      Hormones

  • 39. 
    Cholecystokinin regulates the secretion of
    • A. 

      Ptyalin

    • B. 

      Bile

    • C. 

      Mucus

    • D. 

      Saliva

  • 40. 
    The primary function of this organ is to deliver chyme to the duodenum at the proper rate
    • A. 

      Esophagus

    • B. 

      Colon

    • C. 

      Liver

    • D. 

      Stomach

  • 41. 
    The wall of this structure secretes the disaccharidases.
    • A. 

      Gallbladder

    • B. 

      Duodenum

    • C. 

      Pancreas

    • D. 

      Stomach

  • 42. 
    This is the chief organ of drug detoxification
    • A. 

      Pancreas

    • B. 

      Cecum

    • C. 

      Liver

    • D. 

      Stomach

  • 43. 
    The portal vein carries blood that is rich in digestive end-products to this organ
    • A. 

      Liver

    • B. 

      Pancreas

    • C. 

      Duodenum

    • D. 

      Pylorus

  • 44. 
    This flap of tissue prevents food and water from entering the respiratory passages
    • A. 

      Appendix

    • B. 

      Uvula

    • C. 

      Palatine tonsils

    • D. 

      Epiglottis

  • 45. 
    Which of the following refers to the roof of the mouth?
    • A. 

      Uvula

    • B. 

      Tonsil

    • C. 

      Frenulum

    • D. 

      Palate

  • 46. 
    What is the tube that carries food from the pharynx to the stomach?
    • A. 

      Trachea

    • B. 

      Esophagus

    • C. 

      Pylorus

    • D. 

      Ampulla of Vater

  • 47. 
    What is the sphincter that allows food to enter the stomach from the esophagus?
    • A. 

      Sphincter of Oddi

    • B. 

      Pyloric sphincter

    • C. 

      Lower esophageal sphincter

    • D. 

      Pharyngoesophageal sphincter

  • 48. 
    Which of the following structures allow(s) the stomach to expand?
    • A. 

      Chief cells

    • B. 

      The appendix

    • C. 

      Villi

    • D. 

      Rugae

  • 49. 
    This structure is located between the cecum and the transverse colon
    • A. 

      Appendix

    • B. 

      Ileocecal valve

    • C. 

      Sigmoid

    • D. 

      Ascending colon

  • 50. 
    • A. 

      Stomach

    • B. 

      Common bile duct

    • C. 

      Jejunum

    • D. 

      Esophagus

  • 51. 
    The ampulla of Vater and the sphincter of Oddi are located between the common bile duct and this structure.
    • A. 

      Gallbladder

    • B. 

      Liver

    • C. 

      Pylorus

    • D. 

      Duodenum

  • 52. 
    The duodenum
    • A. 

      Receives partially digested food from the jejunum

    • B. 

      Pumps food through the sphincter of Oddi into the ampulla of Vater

    • C. 

      Is the site where most digestion and absorption occur

    • D. 

      Forms both the hepatic and splenic flexures

  • 53. 
    Which structure contains the villi, microvilli, and brush border cells?
    • A. 

      Stomach

    • B. 

      Esophagus

    • C. 

      Cecum

    • D. 

      Duodenum

  • 54. 
    The cecum, colon, and rectum are parts of this structure
    • A. 

      Hepatic portal system

    • B. 

      Small intestine

    • C. 

      Large intestine

    • D. 

      Biliary tree

  • 55. 
    The liver lobule secretes
    • A. 

      Bile

    • B. 

      Cholecystokinin

    • C. 

      Lipase

    • D. 

      Chyle

  • 56. 
    The cystic duct, common bile duct, and the hepatic ducts
    • A. 

      Are parts of the biliary tree.

    • B. 

      Carry chyle

    • C. 

      Are parts of the small intestine

    • D. 

      Are parts of the hepatic portal circulation

  • 57. 
    Which of the following is most likely to cause ascites and esophageal varices?
    • A. 

      Common bile duct obstruction

    • B. 

      Gallstones

    • C. 

      Stenosis of the pyloric valve

    • D. 

      Increased portal vein pressure

  • 58. 
    Which of the following is a digestive enzyme?
    • A. 

      Gastrin

    • B. 

      Trypsin

    • C. 

      Cholcystokinin

    • D. 

      Secretin

  • 59. 
    Which of the following is a hormone?
    • A. 

      HC1

    • B. 

      Cholecystokinin

    • C. 

      Trypsin

    • D. 

      Lipase

  • 60. 
    Which statement is true?
    • A. 

      Cholecystokinin is an amylase

    • B. 

      Secretin is stored in the gallbladder

    • C. 

      Trypsin is secreted by the liver

    • D. 

      Trypsin is an enzyme that digests protein

  • 61. 
    Sucrase, maltase, and lactase are
    • A. 

      Secreted by the pancreas

    • B. 

      Gastric enzymes

    • C. 

      Disaccharidases

    • D. 

      Emulsifying agents

  • 62. 
    Amylases
    • A. 

      Digest carbohydrates

    • B. 

      Emulsify fat

    • C. 

      Are gastric hormones

    • D. 

      Are proteolytic

  • 63. 
    Which of the following is true of lipase?
    • A. 

      Digests fats

    • B. 

      Emulsifies fats

    • C. 

      Synthesizes fats from fatty acids and glycerol

    • D. 

      Stimulates the walls of the duodenum to secrete cholecystokinin

  • 64. 
    Which condition is most likely to be caused by pyloric stenosis?
    • A. 

      Diarrhea

    • B. 

      Jaundice

    • C. 

      Projectile vomiting

    • D. 

      Ascites

  • 65. 
    Which condition is associated with the base of the esophagus, fundus of the stomach, and diaphragm?
    • A. 

      Pyloric stenosis

    • B. 

      Cholecystitis

    • C. 

      Portal hypertension

    • D. 

      Hiatal hernia

  • 66. 
    Which of the following is caused by portal hypertension?
    • A. 

      Cholecystitis

    • B. 

      Jaundice

    • C. 

      Esophageal varices

    • D. 

      Cirrhosis of the liver

  • 67. 
    Which of the following is most related to esophageal reflux?
    • A. 

      Inguinal hernia

    • B. 

      Hemorrhoids

    • C. 

      Pyrosis

    • D. 

      Appendicitis

  • 68. 
    Hydrochloric acid, intrinsic factor, and gastrin are
    • A. 

      Hormones

    • B. 

      Enzymes

    • C. 

      Secreted by the stomach

    • D. 

      Disaccharidases

  • 69. 
    Peristalsis
    • A. 

      Cannot be affected by drugs

    • B. 

      Is due to contraction of smooth muscle

    • C. 

      Only occurs within the small intestines

    • D. 

      Normally moves chyme into the biliary tree

  • 70. 
    Which of the following does not communicate with the common bile duct?
    • A. 

      Cystic duct

    • B. 

      Duodenum

    • C. 

      Portal vein

    • D. 

      Hepatic ducts

  • 71. 
    A drug that blocks vagal activity
    • A. 

      Slows GI motility and reduces GI secretions

    • B. 

      Increases the secretion of bile

    • C. 

      Speeds up peristalsis

    • D. 

      Causes diarrhea

  • 72. 
    An antacid drug exerts its effect in the
    • A. 

      Buccal cavity

    • B. 

      Common bile duct

    • C. 

      Hepatic portal circulation

    • D. 

      Stomach

  • 73. 
    Pain in the RLQ is most characteristic of
    • A. 

      Hiatal hernia

    • B. 

      Dumping syndrome

    • C. 

      Appendicitis

    • D. 

      GERD

  • 74. 
    This structure is located between the common bile duct and the duodenum
    • A. 

      Cystic duct

    • B. 

      Hepatic duct

    • C. 

      Pyloric valve

    • D. 

      Sphincter of Oddi

  • 75. 
    Obstruction of the common bile duct causes
    • A. 

      Pain in the RLQ

    • B. 

      GERD

    • C. 

      Jaundice

    • D. 

      Lactose intolerance

  • 76. 
    Lactose intolerance is a ___________ problem
    • A. 

      Disaccharidase

    • B. 

      HC1

    • C. 

      Bile

    • D. 

      Cholecystokinin (CCK)

  • 77. 
    Impaired hepatic function
    • A. 

      Causes a deficiency of intrinsic factor and pernicious anemia

    • B. 

      Often causes plasma drug levels to increase to toxic concentrations

    • C. 

      Causes lactose intolerance

    • D. 

      Causes gastric reflux and pyrosis

  • 78. 
    Which of the following is least related to fat digestion?
    • A. 

      Trypsin

    • B. 

      Bile

    • C. 

      Cholecystokinin

    • D. 

      Lipase

  • 79. 
    The hepatic flexure does not involve the
    • A. 

      Ascending colon

    • B. 

      Esophagus

    • C. 

      Transverse colon

    • D. 

      Large intestine

  • 80. 
    The splenic flexure does not involve the
    • A. 

      Ascending colon

    • B. 

      Large intestine

    • C. 

      Descending colon

    • D. 

      Transverse colon

  • 81. 
    Which group is incorrect?
    • A. 

      Salivary glands: sublingual, submandibular, parotid

    • B. 

      Small intestine: duodenum, jejunum, ileum, cecum

    • C. 

      Digestive enzymes: amylase, protease, lipase

    • D. 

      Large intestine: ascending colon, transverse colon, descending colon, sigmoid

  • 82. 
    Which group is incorrect?
    • A. 

      Cells in the stomach: chief, parietal, mucus-secreting

    • B. 

      Hormones: gastrin, secretin, cholecystokinin

    • C. 

      Blood vessels of the portal system: portal vein, superior mesenteric vein, splenic vein

    • D. 

      Biliary tree structures: cystic duct, portal vein, common bile duct