HBS 3.2 Review

In which part of the human digestive system do both physical breakdown and chemical breakdown of food FIRST begin?

• esophagus

• mouth

• large intestine

• small intestine

What is the primary role of the stomach in the human digestive system?

• producing specialized salts that absorb fats

• absorbing water and minerals from undigested food

• Using muscle movements and enzymes to breakdown food

• transferring nutrients from digested food to the bloodstream

Crohn's disease causes inflammation of the digestive tract, particularly the small intestine. This inflammation will interfere with...

• liquefying food

• reabsorbing water

• moving food to the stomach

• absorbing nutrients

Production of bile is one of several functions of the

• gallbladder

• liver

• pancreas

• small intestine

Chyme is first found in the

• stomach

• mouth

• small intestine

• large intestine

What is one of the roles of the pancreas in nutrition?

• Absorbs nutrients

• Churns food

• Dissolves food

• Produces a base to neutralize acids

Salivary amylase breaks down which class of organic molecules?

• carbohydrates

• lipids

• proteins

• nucleic acids

The movement of digestion products, electrolytes, and water across the GI tract epithelium and into underlying blood and lymphatic vessels is called

• ingestion

• digestion

• absorption

• secretion

Which selection includes only accessory digestive organs?

• salivary glands, thyroid gland, pancreas, liver

• stomach, duodenum, pancreas, gallbladder

• liver, thyroid gland, gallbladder, spleen

• gallbladder, liver, pancreas, salivary glands

What enzyme found in the stomach breaks chemical bonds between the amino acid monomers and proteins?

• amylase

• chyme

• pepsin

• lipase