Digestive System Knowledge Assessment

Dr. Lara Hartson, a gastroenterologist, explains the digestive system, its components, and how it processes food into nutrients. She discusses how the body uses and stores energy, the timeline for digestion, and the role of the large intestine and bacteria. Tips for maintaining digestive health through nutrition and exercise are provided.

What is the primary role of a gastroenterologist?

• To treat skin conditions

• To focus on heart diseases

• To specialize in the digestive tract

• To study the brain and nervous system

Which of the following is NOT a nutrient broken down by the digestive system?

• Vitamins

• Minerals

• Water

• Proteins

Where does the body store energy for long-term use?

• In the bones

• In the muscles

• In the liver

• In the fat cells

What is the first part of the digestive system where food is broken down?

• Small intestine

• Stomach

• Esophagus

• Mouth

What is the wave-like pattern called that moves food down the esophagus?

• Peristalsis

• Contraction

• Relaxation

• Digestion

What is the mixture of food and digestive juices in the stomach called?

• Acid

• Chyme

• Bile

• Saliva

How long does food typically stay in the stomach?

• 6 to 8 hours

• 10 to 12 hours

• 2 to 5 hours

• 1 to 2 hours

What is the main function of the large intestine?

• To store vitamins

• To break down proteins

• To absorb nutrients

• To absorb water

Which of the following is recommended for maintaining a healthy digestive system?

• Eating sugary foods

• Drinking plenty of water

• Avoiding exercise

• Consuming fried foods

What type of foods should be limited to maintain digestive health?

• Sugary and fried foods

• Whole grains

• Lean meats

• Fruits and vegetables