Chapter 7 Quiz 3

Which of the following secretions is secreted by the duodenum?

• Bile

• Pancreatic juice

• Intestinal juice

Which of the following secretions contains enzyme(s)?

• Bile

• Pancreatic juice

• Intestinal juice

Which of the following secretions is important for lipid digestion?

• Bile

• Pancreatic juice

• Intestinal juice

Which of the following secretions contains a substance that emulsifies lipids?

• Bile

• Pancreatic juice

• Intestinal juice

Which of the following secretions is alkaline?

• Bile

• Pancreatic juice

• Intestinal juice

The diagram shows a structure found in the ileum. What is structure X?

• Cilium

• Villus

• Microvillus

Which of the following are adaptations of structure X for food absorption? Tick three boxes.

• Its epithelium contains digestive enzymes.

• Its epithelial cells contain numerous microvilli.

• It is one-cell-thick.

• It contains carrier proteins for the active transport of lipid molecules.

• Its epithelial cells contain numerous mitochondria which supply energy for active transport.

The diagram shows a structure found in the ileum.

Is vitamin A absorbed into structure Y or Z?

• Y

• Z