chapter 4

Which of the following compounds is not secreted by the human stomach? Gastric juice Bile Mucus Intrinsic factor

Bile

Which of the following microbes is associated with the development of most stomach ulcers? C. botulinum H. pylori E. coli S. aureus

H. pylori

Which of the following conditions is characterized by inflammation and swelling of the intestinal tract? Peptic ulcer Ulcerative colitis Cystic fibrosis Gastroesophageal reflux disease (GERD)

Ulcerative colitis

The condition in which a person cannot taste any food is called

ageusia

Dorothy is an 85-year-old woman who is having difficulty swallowing. Food seems to enter her stomach too slowly. Based on this information, Dorothy probably has a(n)

condition characterized by loss of peristaltic functioning.

Libby was born without salivary glands. As a result of this condition, she

develops numerous stomach ulcers.

Fructose is primarily absorbed from the small intestine via

facilitated diffusion.

Which of the following compounds is secreted by the human stomach? Saliva Chyme Gastric juice Bile salts

gastric juice

Amanda is a three-year old who has a condition that is characterized by the inability of her pancreas to produce cholecystokinin. Based on this information, she

has difficulty digesting food

Leonard has a disease that causes his lacteals to become blocked. Based on this information, his

intestinal tract does not absorb much fat.

The ________ is an accessory organ of the digestive system.

liver

The ________ sphincter closes after a bolus has been swallowed and enters the stomach. This sphincter is essential to prevent the contents of the stomach reentering the esophagus.

lower esophageal

The ________ cells of the gastric glands are important to protect the lining of the stomach from damage.

mucous

Goblet cells produce

mucus

Which of the following organs produces and secretes enzymes that are essential for proper digestion? Pancreas Pituitary Liver Gallbladder

pancreas

Salivary glands secrete amylase, an enzyme that enables a minor amount of ________ to be digested in the mouth.

starch