Digestive

Arrange the following in proper sequence: (1) digestion (2) elimination (3) ingestion (4) absorption

3, 1, 4, 2

Pancreatic enzymes are secreted in response to the hormone

CCK

The serous membranes that suspend the stomach and intestines from the abdominal wall are

Mesenteries

_____________ is associated with food stretching the stomach and activating myenteric and vagal reflexes, which in turn stimulate gastric secretions.

The gastric phase

Which of the following events occurs because of the low pH of the stomach?

activation of pepsin for protein digestion

Pepsinogen is produced by ____________ and is activated by ___________.

chief cells; hydrochloric acid (HCl) secreted by parietal cells

The gallbladder contracts in response to the hormone

cholecystokinin

The enteric plexus

controls movement and secretion of the digestive tract

________ is the physiological process that moves a nutrient from the outside to the inside of the body.

digestion

Intrinsic factor

facilitates the absorption of vitamin B12.

Fatty acids and certain lipids in the duodenum initiate the release of

gastric inhibitory peptide and cholecystokinin (CCK).

The distention of the stomach by food is the primary stimulus to begin the

gastric phase of gastric secretion

Which of the following would stimulate gastric secretion?

gastrin

Bile is produced by cells of the

liver

The digestive functions performed by saliva and salivary amylase respectively are

moistening and carbohydrate digestion.

Which of the following structures has both endocrine and exocrine

pancreas

The digestive juice that contains enzymes capable of digesting all major food groups is

pancreatic

Which of the following cell types is correctly matched with its function?

parietal cells - produce hydrochloric acid

When chyme enters the duodenum, ____ is released and stimulates the pancreas to secrete bicarbonates.

secretin