Digestive System Post-Test - Livestock

Define and provide a example of a monogastric animal

Answer explanation

A monogastric animal has a single-chambered stomach. An example is a pig, which digests food differently than ruminants like cows, relying on enzymes rather than fermentation.

What is the purpose of the digestive system?

Answer explanation

The purpose of the digestive system is to break down food into nutrients, which the body can absorb and use for energy, growth, and cell repair. It ensures that essential substances are available for bodily functions.

Define and provide a example of a ruminant animal

Answer explanation

Ruminant animals are those that digest food in two stages, first by swallowing and then regurgitating it for further chewing. An example is a cow, which has a specialized stomach to aid in this process.

What does mastication mean?

• Eating
• Chewing
• Breathing
• Smelling

Where do we find the villi in the digestive system?

• Liver
• Stomach
• Small intestine
• Esophagus

In what order does the food pass through either a Monogastric system or ruminant system - List in order

Answer explanation

In a monogastric system, food passes through the mouth, esophagus, stomach, small intestine, large intestine, and anus. In a ruminant system, it goes from the mouth to the rumen, reticulum, omasum, abomasum, small intestine, large intestine, and anus.

Which stomach compartment of ruminant is considered to be the true "stomach"?

• Rumen
• Reticulum
• Omasum
• Abomasum

The stomach preforms which of the following functions?

• Mechanical processing
• Digestion
• All of the above
• Secretion

Name one of the four components of the stomach and its purpose in the digestive process.

Answer explanation

One of the four components of the stomach is the 'fundus'. Its purpose is to store undigested food and gases released from the stomach, aiding in the digestive process by allowing for gradual mixing and breakdown of food.

Name three of the main digestive systems AND give a example

Answer explanation

Three main digestive systems are the human digestive system (example: stomach), ruminant digestive system (example: cow), and avian digestive system (example: bird gizzard). Each has unique adaptations for processing food.