Digestion and Absorption

Bile juice helps in the digestion of fat because it contains

• enzymes

• vitamins

• bile salts

• bile pigments

The many projections on the wall of small intestine function to –

• Secrete digestion enzymes

• Increase the surface area

• Hold products of digestion so they do not enter the large intestine

• Hold mucus, so ulcers do not form

Which enzyme breaks down fats and oils in the small interstine?

• lipase

• amylase

• protease

• glucose

Amino acids are linked together chemically to form molecules of

• Simple Carbohydrates

• Complex Carbohydrates

• Really Complex Carbohydrates

• Proteins

What is the function of the gall bladder? *2015 Q26

• absorption of fat

• digestion of fat

• production of bile

• storage of bile

This is the enzyme that breaks down the sugar lactose in your small intestine.

• pepsin
• HCl
• Bicarbonate
• Lactase

This is the enzyme that works on protein.

• pepsin
• HCl
• Bicarbonate
• Lactase

Most nutrient absorption occurs in the ________________ .

• mouth

• stomach

• large intestines

• small intestines

Waves of contractions that move food one way through the digestive system are called

• Impulse

• Peristalsis

• Action Potential

• Metabolism

The protective substance that lines the stomach is called

• Mucus

• Saliva

• Pepsin

• Trypsin