IB SL Topic 6: Human physiology (6.1. Digestion)

What are features of the enzyme amylase?

• A

• B

• C

• D

Which label represents the lacteal?

• A

• B

• C

• D

Celiac disease causes the destruction of the villi cells. Which of the following is most likely to happen to people with celiac disease?

• A. Incomplete digestion of fats

• B. Poor absorption of calcium

• C. Increased levels of glucose in blood

• D. Damage in the esophagus caused by increase in acid content of the stomach

Which structure produces lipase?

• 1

• 2

• 4

• 5

Which organs are associated with the transformation of glucose into glycogen?

• 1 and 4

• 2 and 3

• 2 and 4

• 1 and 3

The diagram below shows the human digestive system. In which parts of the digestive system are most water and glucose absorbed?

• A

• B

• C

• D

What is an important function of the lacteal in the villus?

• Secretion of mucus

• Secretion of enzymes

• Transport of glucose

• Transport of fats

Which of the following is correct for lipase?

• A

• B

• C

• D

What processes occur during assimilation and absorption of lipids?

• A

• B

• C

• D

Which feature increases the absorption of glucose in the small intestine?

• Villi

• Lacteal

• Cilia

• Goblet cells