Chapter 17 Digestive system part 2

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tville01
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134262
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Chapter 17 Digestive system part 2
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2012-02-11 12:37:05
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Chapter 17 Digestive system part
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Chapter 17 Digestive system part 2
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  1. Gastric enzymes are secreted by the _____ cells.
    A)chief
    B)parietal
    C)oxyntic
    D)goblet
    A)chief
    (this multiple choice question has been scrambled)
  2. Proteins are digested or broken down by the _____ in the stomach.
    A)pepsinogen
    B)pepsin
    C)hydrochloric acid
    D)lipase
    B)pepsin
    (this multiple choice question has been scrambled)
  3. Parasympathetic stomach impulses cause all of the following except which one?
    A)promotes histamine
    B)secretion of gastrin
    C)secretion of somatostatin
    D)inhibition of somatostatin
    C)secretion of somatostatin
    (this multiple choice question has been scrambled)
  4. The alkaline tide occurs when _____ is secreted into the blood.
    A)HCl
    B)H+
    C)bicarbonate ions
    D)phosphate ions
    C)bicarbonate ions
    (this multiple choice question has been scrambled)
  5. The _____ duct directly receives the fluids from the gallbladder.
    A)hepatic
    B)cystic
    C)common bile
    D)common hepatic
    B)cystic
    (this multiple choice question has been scrambled)
  6. The common bile duct is formed by the merger of the hepatic and _____ ducts.
    A)cystic
    B)Santorini
    C)common hepatic
    D)pancreatic
    A)cystic
    (this multiple choice question has been scrambled)
  7. The ampulla of Vater is the area that joins the common bile duct to the _____ duct.
    A)cystic
    B)hepatic
    C)pancreatic
    D)common hepatic
    C)pancreatic
    (this multiple choice question has been scrambled)
  8. Bile facilitates digestion by causing the _____ of fats.
    A)emulsification
    B)catalysis
    C)hydrolysis
    D)digestion
    A)emulsification
    (this multiple choice question has been scrambled)
  9. Amylase could be found in all of these areas except which one?
    A)stomach
    B)mouth
    C)pancreas
    D)duodenum
    A)stomach
    (this multiple choice question has been scrambled)
  10. Most of the absorption of nutrients occurs in the _____.
    A)colon
    B)jejunum
    C)duodenum
    D)ileum
    B)jejunum
    (this multiple choice question has been scrambled)
  11. Fatty acids and glycerol are released when _____ are broken down by liver or muscle cells.
    A)lipoproteins
    B)chylomicrons
    C)micelles
    D)lacteals
    B)chylomicrons
    (this multiple choice question has been scrambled)
  12. The ileocecal valve prevents chyme from entering the _____.
    A)small intestine
    B)large intestine
    C)stomach
    D)duodenum
    B)large intestine
    (this multiple choice question has been scrambled)
  13. The frenulum is the membrane attached to the inferior surface of the _____.
    A)tongue
    B)lips
    C)stomach
    D)liver
    A)tongue
    (this multiple choice question has been scrambled)
  14. Which lymphatic areas are most commonly the sites of inflammation?
    A)adenoids
    B)lingual tonsils
    C)Peyer's patches
    D)palatine tonsils
    D)palatine tonsils
    (this multiple choice question has been scrambled)
  15. The _____ part of the stomach is the area connected to the esophagus.
    A)body
    B)pyloric
    C)fundus
    D)cardiac
    D)cardiac
    (this multiple choice question has been scrambled)
  16. The _____ prevents food from entering the small intestine.
    A)sphincter of Oddi
    B)pyloric valve
    C)ileo-colic valve
    D)cardiac sphincter
    B)pyloric valve
    (this multiple choice question has been scrambled)
  17. What is the stimulus for cholecystokinin release?
    A)protein
    B)gastrin
    C)chyme
    D)lipids
    D)lipids
    (this multiple choice question has been scrambled)
  18. What blocks pancreatic secretions from entering the duodenum?
    A)the common bile duct
    B)cholecystokinin secretion
    C)sphincter of Oddi
    D)pyloric valve
    C)sphincter of Oddi
    (this multiple choice question has been scrambled)
  19. Which of the following triggers the formation of the others?
    A)enterokinase
    B)chymotrypsin
    C)trypsin
    D)carboxypeptidase
    A)enterokinase
    (this multiple choice question has been scrambled)
  20. Which of the following are NOT active in the duodenum?
    A)pepsin
    B)nuclease
    C)amylase
    D)enterokinase
    A)pepsin
    (this multiple choice question has been scrambled)
  21. Secretin from the duodenum causes the pancreas to produce secretions rich in _____.
    A)lipase
    B)amylase
    C)bicarbonate
    D)proteolytic enzymes
    C)bicarbonate
    (this multiple choice question has been scrambled)
  22. Which of these is a hormone name?
    A)trypsin
    B)chymotrypsinogen
    C)cholecystokinin
    D)ribonuclease
    C)cholecystokinin
    (this multiple choice question has been scrambled)
  23. The hormone which causes the pancreas to secrete an enzyme rich fluid is _____.
    A)enterocrinin
    B)enterogastrone
    C)cholecystokinin
    D)secretin
    C)cholecystokinin
    (this multiple choice question has been scrambled)
  24. Which of the following vitamins is NOT stored in the liver?
    A)B12
    B)D
    C)C
    D)A
    C)C
    (this multiple choice question has been scrambled)
  25. Which of the following is NOT a function of the adult liver?
    A)detoxification
    B)erythropoiesis
    C)glycogen storage
    D)synthesis of clotting proteins
    B)erythropoiesis
    (this multiple choice question has been scrambled)
  26. The liver contains special blood channels termed _____.
    A)portal veins
    B)central vein
    C)hepatic cells
    D)sinusoids
    D)sinusoids
    (this multiple choice question has been scrambled)
  27. The Kupffer cells are phagocytic cells found in the _____.
    A)gallbladder
    B)pancreas
    C)intestine
    D)liver
    D)liver
    (this multiple choice question has been scrambled)
  28. Which of the following acts to inhibit acid production?
    A)somatostatin
    B)gastrin
    C)secretin
    D)cholecystokinin
    A)somatostatin
    (this multiple choice question has been scrambled)
  29. Which area has the greatest amount of enzyme activity?
    A)colon
    B)jejunum
    C)duodenum
    D)ileum
    C)duodenum
    (this multiple choice question has been scrambled)
  30. The finger-like extensions inside the small intestine are called _____ and increase the surface area.
    A)microvilli
    B)villi
    C)lacteals
    D)lumens
    B)villi
    (this multiple choice question has been scrambled)
  31. Which salivary glands produce the most viscous saliva with lots of mucus?
    A)submandibular glands
    B)parotid glands
    C)serous cells
    D)sublingual glands
    D)sublingual glands
    (this multiple choice question has been scrambled)
  32. What initiates the swallowing reflex?
    A)sensory receptors detecting the bolus in the pharynx
    B)secretion of saliva at the thought of food
    C)the tongue rolling the bolus to the pharynx
    D)fear of choking on food
    A)sensory receptors detecting the bolus in the pharynx
    (this multiple choice question has been scrambled)
  33. Intrinsic factor is secreted by which cells of the gastric glands?
    A)chief cells
    B)parietal cells
    C)mucous cells
    D)peptic cells
    B)parietal cells
    (this multiple choice question has been scrambled)
  34. The pancreas secretes enzymes that enter the small intestine and chemically digest chyme. Choose the enzyme(s) that break(s) down fats.
    A)pancreatic amylase
    B)pancreatic lipase
    C)carboxypeptidase
    D)trypsinogen
    B)pancreatic lipase
    (this multiple choice question has been scrambled)
  35. What hormone does the small intestine release in response to acidic chyme?
    A)digestin
    B)cholecystokinin
    C)secretin
    D)gastrin
    C)secretin
    (this multiple choice question has been scrambled)
  36. How are the components of fats absorbed in the small intestine?
    A)Specific receptor proteins carry fatty acids across the intestinal wall and into the bloodstream.
    B)Fatty acids are transported by active transport to the bloodstream.
    C)Components of lipids diffuse through small intestinal cell membranes and into the bloodstream where they are carried to the liver for processing.
    D)Components of lipids diffuse through small intestinal cell membranes, are reconstructed in the cells, and then carried off by lacteals as chylomicrons
    D)Components of lipids diffuse through small intestinal cell membranes, are reconstructed in the cells, and then carried off by lacteals as chylomicrons
    (this multiple choice question has been scrambled)
  37. The surface area of the stomach is enhanced by the presence of folds called _____.
    A)microvilli
    B)villi
    C)plicae
    D)rugae
    D)rugae
    (this multiple choice question has been scrambled)
  38. The enterogastric reflex normally inhibits the further contraction of the stomach as the duodenum fills.
    A)True
    B)False
    A)True
  39. What is the effect of the release of cholecystokinin on the pancreas?
    Pancreas releases more enzymes in the pancreatic juice
  40. Acid chyme is buffered by __________ secreted from the pancreas.
    bicarbonate
  41. Digestion of which of the following would be affected the most if the liver were severely damaged?
    A. Starch
    B. Lipids
    C. Proteins
    D. None of the above
    B. Lipids
    (this multiple choice question has been scrambled)
  42. Where is vitamin B12 is primarily absorbed?
    Illeum
  43. Bile is forced up the cystic duct through the closing of the
    A.ileocecal valve.
    B.sphincter of Oddi.
    C.pyloric sphincter.
    D.lower esophageal sphincter.
    B.sphincter of Oddi.
    (this multiple choice question has been scrambled)
  44. What is the blood vessel in the middle of the liver lobule that receives blood from the hepatic sinusoids?
    A.Central vein
    B.Bile canaliculus
    C.Hepatic ducts
    D.None of the above is correct
    A.Central vein
    (this multiple choice question has been scrambled)
  45. This organ contains lobules with sinusoids lined with macrophages that lead to a central venous structure.
    A.Pancreas
    B.Gallbladder
    C.Liver
    D.Spleen
    C.Liver
    (this multiple choice question has been scrambled)
  46. Damage to which of the following nerves would reduce GI secretions?
    A.vagus nerve
    B.phrenic nerve
    C.glossopharyngeal nerve
    D.hypoglossal nerve
    A.vagus nerve
    (this multiple choice question has been scrambled)
  47. When we ingest large, complex molecules such as lipids, carbohydrates and proteins, they must undergo catabolic reactions, whereby enzymes split these molecules into building block levels. This series of reactions is called:
    A.Absorption
    B.Mechanical Digestion
    C.Chemical Digestion
    D.Secretion
    C.Chemical Digestion
    (this multiple choice question has been scrambled)
  48. In the triad region, the branches of the hepatic portal vein and hepatic artery join to form what enlarged capillaries?
    hepatic sinusoids
  49. Which tunic of the GI tract is very vascular and has many nerves and glands?
    submucosa

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