Practice Test - Digestive System

What is the primary function of the alimentary canal?

• Absorption of water and electrolytes

• Transportation of oxygen to the cells

• Digestion of food and absorption of nutrients

• Regulation of body temperature

Which organ is responsible for further breaking down food through mechanical churning and chemical digestion with gastric juices?

• Mouth

• Pharynx

• Stomach

• Small intestine

What is the primary function of the small intestine?

• Mechanical digestion

• Nutrient absorption

• Water and electrolyte absorption

• Formation of feces

Which organ in the alimentary canal is responsible for absorption of water and electrolytes, and formation of feces?

• Stomach

• Small intestine

• Large intestine

• Esophagus

What is the length of the alimentary canal in a cadaver?

• Approximately 3 feet

• Approximately 9 meters

• Approximately 12 inches

• Approximately 6 meters

Which accessory digestive organ produces bile?

• Liver

• Pancreas

• Gallbladder

• Salivary glands

What is the function of bile in digestion?

• It aids in the breakdown of carbohydrates

• It emulsifies and digests fats

• It breaks down proteins into amino acids

• It assists in the absorption of water and electrolytes

Which accessory digestive organ stores and concentrates bile?

• Liver

• Pancreas

• Gallbladder

• Salivary glands

What is the function of the pancreas in digestion?

• Produces bile

• Stores bile

• Produces digestive enzymes and bicarbonate

• Stores and releases bile into the small intestine

Which enzyme is produced by salivary glands to initiate the breakdown of carbohydrates?

• Lipase

• Protease

• Amylase

• Trypsin