topic 6 Flashcards
the peritoneal cavity
(a) is the same thing as the adbominopelvic cavity
(b) if filled with air
(c) like the pleural and pericardial cavities is a potential space containing serous fluid
(d) contains the pancreas and all duodenum
(a) is the same thing as the adbominopelvic cavity
(b) if filled with air
(c) like the pleural and pericardial cavities is a potential space containing serous fluid*
(d) contains the pancreas and all duodenum
obstruction of the hepatopancreatic sphincter impairs digestion by reducing the availability of
(a) bile and HCl
(b) HCl and intestinal juice
(c) pancreatic juice and intestinal juice
(d) pancreatic juice and bile
(a) bile and HCl
(b) HCl and intestinal juice
(c) pancreatic juice and intestinal juice
(d) pancreatic juice and bile*
the action of an enzyme is influenced by
(a) its chemical surroundings
(b) its specific substrate
(c) the presence of needed cofactors or coenzymes
(d) all of the above
(a) its chemical surroundings
(b) its specific substrate
(c) the presence of needed cofactors or coenzymes
(d) all of the above*
carbohydrates are acted on by
(a) paptidases, trypsin and chymotrypsin
(b) amylase, maltase and sucrase
(c) lipase
(d) peptidases, lipases and galactase
(a) paptidases, trypsin and chymotrypsin
(b) amylase, maltase and sucrase*
(c) lipase
(d) peptidases, lipases and galactase
the parasympathetic nervous system influences digestion by
(a) relaxing smooth muscle
(b) stimulating peristalis and secretory activity
(c) constricting sphincters
(d) none of the above
(a) relaxing smooth muscle
(b) stimulating peristalis and secretory activity*
(c) constricting sphincters
(d) none of the above
the digestive juice product containing enzymes capable of digesting all four major foodstuff categories is
(a) pancreatic
(b) gastric
(c) salivary
(d) biliary
(a) pancreatic *
(b) gastric
(c) salivary
(d) biliary
the vitamin associated with calcium absorption is
(a) A
(b) K
(c) C
(d) D
(a) A
(b) K
(c) C
(d) D*
someone has eaten a meal of buttery toast, cream, and eggs. which of the following would you expect to happen?
(a) compared to the period shortly after the meal, gastric motility and secretion of HCl decrease when the food reaches the duodenum
(b) gastric motility increases even as the person is chewing the food (before swallowing)
(c) fat will be emulsified in the duodenum by the action of bile
(d) all of these
(a) compared to the period shortly after the meal, gastric motility and secretion of HCl decrease when the food reaches the duodenum
(b) gastric motility increases even as the person is chewing the food (before swallowing)
(c) fat will be emulsified in the duodenum by the action of bile
(d) all of these*
the site of production of cholecystokinin is
(a) the stomach
(b) the small intestine
(c) the pancreas
(d) the large intestine
(a) the stomach
(b) the small intestine*
(c) the pancreas
(d) the large intestine
which of the following is not a characteristic of the colon?
(a) it is divided into the ascending, traverse and descending portions
(b) it contains abundant bacteria, some of which synthesize certain vitamins
(c) it is the main absorptive site
(d) it absorbs much of the water and salts remaining in the wastes
(a) it is divided into the ascending, traverse and descending portions
(b) it contains abundant bacteria, some of which synthesize certain vitamins
(c) it is the main absorptive site*
(d) it absorbs much of the water and salts remaining in the wastes
the gallbladder
(a) produces bile
(b) is attached to the pancreas
(c) stores and concentrates bile
(d) produces secretin
(a) produces bile
(b) is attached to the pancreas
(c) stores and concentrates bile*
(d) produces secretin
the sphincter between the stomach and the duodenum is
(a) the pyloric sphincter
(b) the gastroesophageal sphincter
(c) the hepatopancreatic sphincter
(d) the ileocecal sphincter
(a) the pyloric sphincter*
(b) the gastroesophageal sphincter
(c) the hepatopancreatic sphincter
(d) the ileocecal sphincter
