Digestive System Quiz Alcendor

Identify the organs of the digestive system (GI or alimentary) and list their major functions.

• Heart, lungs, and kidneys; pumping blood, breathing, filtering waste

• Stomach, intestines, liver; digestion, absorption, detoxification

• Brain, spinal cord, nerves; thinking, reflexes, signaling

• Bones, muscles, skin; support, movement, protection

What are the major functions of the digestive system?

• Circulation and respiration

• Digestion and absorption

• Protection and sensation

• Movement and coordination

Describe the membranes associated with the organs of the GI tract and abdominal wall.

• Peritoneum and pleura

• Meninges and synovium

• Peritoneum and mesentery

• Fascia and periosteum

What is the enteric nervous system?

• A network of nerves in the brain

• A system controlling voluntary muscles

• A part of the autonomic nervous system in the GI tract

• A group of nerves in the spinal cord

How many pairs of salivary glands are there? Where are they located?

• Two pairs; in the neck

• Three pairs; in the mouth

• Four pairs; in the abdomen

• Five pairs; in the chest

What are vitamins and differentiate water-soluble vitamins from fat-soluble vitamins?

• Vitamins are minerals; water-soluble vitamins are stored in the liver.

• Vitamins are organic compounds; water-soluble vitamins are not stored in the body.

• Vitamins are proteins; water-soluble vitamins are stored in fat tissue.

• Vitamins are carbohydrates; water-soluble vitamins are stored in muscles.

What enzymes are released by the pancreas and what substrate do they work on?

• Amylase for proteins

• Lipase for carbohydrates

• Protease for lipids

• Amylase for carbohydrates

What are the effects of aging on the digestive system?

• Increased enzyme production

• Enhanced nutrient absorption

• Decreased motility and enzyme secretion

• Improved digestion efficiency

Describe the flow of bile from the liver to the gall bladder and to the duodenum.

• Bile flows directly from the liver to the duodenum.

• Bile is stored in the pancreas before reaching the duodenum.

• Bile flows from the liver to the gall bladder, then to the duodenum.

• Bile is secreted directly into the stomach.

Define and explain peristalsis and segmentation.

• Peristalsis is the mixing of food; segmentation is the movement of food.

• Peristalsis is the movement of food; segmentation is the mixing of food.

• Both are types of enzyme secretion.

• Both are processes of nutrient absorption.