G4 Digestive System

1. What structures in the small intestine absorb the nutrients that result from the digestive process?

• Intestinal Muscles

• Intestinal Glands

• Duodenum

• Villi

2. The human body needs a constant supply of protein to survive. The first organ of the digestive system that begins digesting protein chemically is the _____.

• Duodenum

• Esophagus

• Stomach

• Mouth

3. A person who has had the gallbladder removed may be expected to have some difficulty in ____.

• Absorbing minerals

• Digesting Fats

• Excreting Urea

• Storing Glycogen

4. The correct sequence of structures in the gut is ______.

• Esophagus, Small intestine, Stomach, Large Intestine

• Esophagus, Stomach, Large Intestine, Small Intestine

• Esophagus, Stomach, Small Intestine, Large Intestine

• Stomach, Esophagus, Small Intestine, Large Intestine

What muscles of the esophagus squeeze the food downward using the process of:

• Peristalsis

• Gravity

• Rugae

• Chyme

Food is contained in the gastrointestinal tract from the time of ingestion until it is completely digested and the waste prepared for elimination.

• TRUE

• FALSE

The circular folds of the small intestine enhance absorption by causing the chyme to spiral, rather than to move in a straight line, as it passes through the small intestine.

• TRUE

• FALSE

As food passes through the digestive tract, it becomes less complex and the nutrients are more readily available to the body.

• TRUE

• FALSE

Small intestine is approximately 20-25 inches long

• TRUE

• FALSE

The Large Intestine is responsible for removing water from the undigested food, turning it from a liquid paste into solid waste.

• TRUE

• FALSE