The Digestive System Test

Which of the following is NOT true of the large intestine?

• The large intestine absorbs water in undigested material.

• The large intestine stores bile.

• The large intestine has a larger diameter than the small intestine.

• The large intestine stores, compacts, and eliminates indigestible material.

What is the function of the small intestine?

• Contains villi that pass nutrients to the bloodstream.

• Produces stomach acid

• Stores bile for the liver

• Breaks down toxins

Which of the following is NOT a function of the liver?

• to secrete bile

• to store nutrients

• to detoxify chemicals

• to compact wastes

True or False: Mechanical digestion is the breaking, crushing, and mashing of food.

• True

• False

Chemical digestion...

• Is the chewing, mashing and breaking of food.

• Is the breaking down of large molecules into nutrients.

• Is the storage of bile from the liver

• Happens only in the small intestine

How does bile help digest fat?

• By removing the water from fat

• By storing and filtering blood

• Mechanical digestion

• Bile breaks large fat droplets into very small droplets.

What is the role of the pancreas in digestion? Check all that apply.

• The pancreas makes hormones that regulate blood sugar.

• The pancreas stores bile.

• The pancreas makes fluids that protect the small intestine from acid.

• The pancreas breaks down fat molecules.

What is the role of the gallbladder in digestion?

• The gallbladder makes bile.

• It is the largest organ in the digestive system.

• The gallbladder stores bile produced by the liver.

• It stores nutrients.

What is the role of the pancreas in digestion? Choose all that apply.

• Absorbs nutrients into the bloodstream.

• Makes hormones that help with blood sugar regulation

• Stores bile

• Makes enzymes that break down sugar, starches, and fats.

Put the following steps of digestion in the correct order:

a. Food is chewed by the teeth in the mouth.

b. Water is absorbed by the large intestine

c. Food is reduced to chyme in the stomach

d. Food moves down the esophagus.

e. Nutrients are absorbed by the small intestine.

f. The pancreas releases enzymes.

• f, b, d, a, c, e

• d, b, a, d, e, f

• a, d, c, f, e, b

• a, b, c, d, e, f