Digestive System Marieb Questions 2

Front 1

The peritoneal cavity is.......A) Is the same as the abdominopelvic cavity, B) like the pleural and pericardial cavities it is a potential space containing serous fluid.

Back 1

B) like the pleural and pericardial cavities it is a potential space containing serous fluid.

Front 2

Obstruction of the hepatopancreatic sphincter impairs digestionby reducing the availability of......A) Pancreatic juice and intestinal juice B) Pancreatic juice and bile

Back 2

B) Pancreatic juice and bile

Front 3

The action of an enzyme is influenced by......A) 1. Its specific substrate 2. The presence of needed cofactors or enzymes 3. Its chemical surroundings. B) 1. Its a nonspecific substrate
2. The presence of needed cofactors or enzymes 3. Its chemical surroundings.

Back 3

A) 1. Its specific substrate
2. The presence of needed cofactors or enzymes
3. Its chemical surroundings.

Front 4

Cabohydrates are acted on by .....A) Amylase, maltase, and sucrase B) Amylase, maltase, and lipases

Back 4

A) Amylase
maltase
and sucrase

Front 5

The parasympathetic nervous system influences digestion by......A) constricting sphincters stimulating peristalsis B) Stimulating peristalsis and secretory activity.

Back 5

B) Stimulating peristalsis and secretory activity.

Front 6

The digestive juice product containing enzymes capable of digesting all four major foodstuff categories is.....A)Pancreatic B) Biliary

Back 6

A) Pancreatic

Front 7

The vitamin associated with calcium absorbtion is.......A) vitamin A, B) vitamin D

Back 7

B) Vitamin D

Front 8

Someone has eaten a meal of buttered toast, cream, and eggs. What would you expect to happen? A) 1. compared to the period shortly after the meal, gastric motility and secretion of HCI decrease when food reaches the duodenum
2. Gastric motility increases even as the person is chewing the food (b4 swallowing) &
3. Fat will be emulsified in the duodenum by the action of pancreatic juices B) 1. compared to the period shortly after the meal, gastric motility and secretion of HCI decrease when food reaches the duodenum
2. Gastric motility increases even as the person is chewing the food (b4 swallowing) &
3. Fat will be emulsified in the duodenum by the action of bile.

Back 8

B) 1. compared to the period shortly after the meal, gastric motility and secretion of HCI decrease when food reaches the duodenum
2. Gastric motility increases even as the person is chewing the food (b4 swallowing) &
3. Fat will be emulsified in the duodenum by the action of bile.

Front 9

The site of production of VIP and cholecystokinin is........A) large intestines, B) Small intestines

Back 9

B) Small intestines

Front 10

Which of the following is not a characteristic of the large intestine? A) It is divided into ascending, transverse & 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 water.

Back 10

C) It is the main absorptive site.

Front 11

What does the Gallbladder do? A) Stores and concentrates Bile B) produces bile

Back 11

A) Stores and concentrates Bile

Front 12

what is the sphincter between the stomach and duodenum? A) The pyloric sphincter. B) the hepatopancreatic sphincter

Back 12

A) The pyloric sphincter.

Front 13

The protein molecule will be digested by enzymes secreted by....A) The pancreas and stomach B) The liver and stomach

Back 13

A) The pancreas and stomach

Front 14

A protein molecule must be digested before it can be transported to and utilized by the cells because.........A) Protein has a low Ph B) The protein is too large to be readily absorbed

Back 14

B) The protein is too large to be readily absorbed

Front 15

The products of protein digestion enter the blood stream largely through cells lining ...........A) the small intestine B) the large intestine

Back 15

A) the small intestine

Front 16

Before the blood carrying the products of protein digestion reaches the heart, it first passes through capillary networks in the.....A) gallbladder B) Liver

Back 16

B) Liver

Front 17

Having passed through the regulatory organ (liver) the products of protein digestion are circulated throughout the body. they will enter individual body cells as a result of .......A) diffusion, B) passive transport C) active transport.

Back 17

C) Active transport.