CNC Digestive Health & Gut Nutrition 3

Question 1

Small Intestinal Bacterial Overgrowth (SIBO) is best defined as:

Accepted Answer

An abnormally high number of bacteria colonizing the small intestine

Answer

An excess of fungi in the large intestine

Answer

A deficiency of digestive enzymes in the pancreas

Answer

Inflammation of the stomach lining caused by H. pylori

Question 2

Which nutrient is most critical for maintaining intestinal mucosal integrity and supporting enterocyte proliferation?

Accepted Answer

Glutamine

Answer

Calcium

Answer

Vitamin K

Answer

Magnesium

Question 3

What is the key functional difference between soluble and insoluble dietary fiber?

Accepted Answer

Soluble fiber dissolves in water and forms a gel, slowing digestion; insoluble fiber does not dissolve and adds bulk to stool

Answer

Soluble fiber is found only in animal products; insoluble fiber is plant-based

Answer

Insoluble fiber is fermented by gut bacteria; soluble fiber passes through unchanged

Answer

Soluble fiber raises blood sugar rapidly; insoluble fiber lowers it

Question 4

Which dietary pattern is most consistently associated with greater gut microbiome diversity?

Accepted Answer

Plant-rich diet high in diverse fruits, vegetables, legumes, and whole grains

Answer

High-protein, low-carbohydrate diet

Answer

High-fat, ketogenic diet

Answer

Elemental liquid diet

Question 5

Short-chain fatty acids (SCFAs) such as butyrate, propionate, and acetate are produced when gut bacteria ferment dietary fiber. What is a primary health benefit of butyrate specifically?

Accepted Answer

It serves as the main energy source for colonocytes and supports colon mucosal health

Answer

It directly lowers LDL cholesterol in the bloodstream

Answer

It stimulates insulin secretion from the pancreas

Answer

It inhibits bile acid recycling in the terminal ileum

Question 6

Lactose intolerance results from which physiological deficit?

Accepted Answer

Insufficient production of lactase enzyme to hydrolyze lactose into glucose and galactose

Answer

An immune-mediated reaction to milk proteins

Answer

An allergy to whey protein in dairy products

Answer

Overproduction of bile acids in response to dairy fat

Question 7

FODMAPs are a group of fermentable carbohydrates that can trigger symptoms in people with Irritable Bowel Syndrome (IBS). What does FODMAP stand for?

Accepted Answer

Fermentable Oligosaccharides, Disaccharides, Monosaccharides, And Polyols

Answer

Fat-soluble Organic Dietary Macronutrients And Proteins

Answer

Fructose Oligomers, Dextrins, Maltose, And Polysaccharides

Answer

Fermented Oat Derivatives, Monosodium, And Polyunsaturated fats