chief cells

enteroendocrine cells

both a and b

parietal cells

none of the above

The liver can metabolize many drugs

Tight junctions can protect the stomach from its acidic environment

both a and b

False

True

the stomach epithelial cells live only 3 to 6 days and then get digested

GCL aids in chyme production

pyloric sphincter (valve) can contracts to limit chyme entering duodenum

stomach responds to the site, and taste of food but not to the smell of food

True

False

Ferrous ions (Fe2+) can be used for hemoglobin synthesis

Lysozyme can kill bacteria

both b and c

Intrinsic Factor (IP) does not play a role in the absorption of vitamin B12

False

True

True

False

False

True

Salivary amylase

intrinsic factors (IP)

Lingual lipase

Pepsin

chyme

gastrin

bile

none of the above

all of the above

it can assist in digesting bread

it can inhibit bacterial growth

it can moisten food to assist in swallowing

G cells secrete gastrin

The liver produces bile

Hormones, but not paracrine secretions regulate the digestive tract

parietal cells secrete intrinsic factor (IP)

both a and b

B. with respect to the swallowing, the pharyngoesophageal phase is activated after the bolus enters the laryngopharynx and stimulates tactile receptors

A. Lipase break down fat

none of the above

Polysaccharides can be broken down into monosaccharides

Nearly all chemical digestion and nutrient absorption occurs in the small intestine

Pancreatic juice is an acidic mixture of water, enzymes, sodium bicarbonate and other electrolytes

Gastric secretions can contain pepsin