Digestion and Nutritional Absorption

Where does digestion start?

• Mouth

• Stomach

• Small intestine

• Esophagus

Role of chewing in digestion.

• Chewing breaks down food into smaller pieces.

• Chewing has no role in digestion.

• Chewing only helps in tasting food.

• Chewing is only important for swallowing.

What is the role of the stomach in digestion?

• It absorbs nutrients.

• It stores bile.

• It breaks down food using acids and enzymes.

• It transports food to the intestines.

Where does most nutritional absorption take place?

• Stomach

• Small intestine

• Large intestine

• Esophagus

What is the difference between complex and simple carbohydrates?

• Complex carbohydrates are made of sugar molecules that are strung together in long, complex chains.

• Simple carbohydrates consist of basic sugars with little real value for your body.

• Complex carbohydrates are quickly digested and absorbed by the body.

• Simple carbohydrates provide a slow and steady release of energy.

Factors influencing the absorption rate of complex carbohydrates (straight vs branched).

• Molecular size

• Branching structure

• Enzyme availability

• All of the above

What is the definition of microbiota or microflora?

• A group of microorganisms that live in a particular environment.

• A type of plant found in tropical regions.

• A chemical compound used in agriculture.

• A type of virus that infects bacteria.

Which of the following is a factor that reduces or helps microflora?

• Antibiotics

• Probiotics

• Dietary fiber

• Stress

• Exercise

Foods high in good bacteria include which of the following?

• Yogurt

• Bread

• Pasta

• Rice

Leaky gut syndrome is a condition where the lining of the small intestine becomes damaged, causing undigested food particles, toxins, and bacteria to “leak” through the intestines into the bloodstream. This can trigger inflammation and changes in the gut flora, potentially leading to various health issues. What does leaky gut syndrome affect?

• The lining of the small intestine

• The heart

• The lungs

• The skin