NTP Gut Health & Microbiome 3

Question 1

Which nutrient is most critical for maintaining the structural integrity of intestinal tight junctions?

Accepted Answer

Zinc

Answer

Zinc is essential for tight junction protein synthesis and has been shown to reduce intestinal permeability when deficient.

Question 2

Lipopolysaccharide (LPS) endotoxin is primarily derived from which bacterial type?

Accepted Answer

Gram-negative bacteria

Answer

LPS is a component of the outer membrane of gram-negative bacteria and can trigger systemic inflammation when it translocates into circulation.

Question 3

A client eating a low-fiber Western diet is most likely to show decreased levels of:

Accepted Answer

Butyrate-producing bacteria

Answer

Fiber-fermenting, butyrate-producing bacteria such as Faecalibacterium prausnitzii decline significantly on low-fiber diets.

Question 4

The enteric nervous system (ENS) is often called the 'second brain' because it:

Accepted Answer

Can function autonomously with over 500 million neurons regulating gut motility and secretion

Answer

The ENS contains approximately 500 million neurons embedded in the gut wall and can operate independently of the central nervous system.

Question 5

Which fermented food is richest in Lactobacillus species beneficial for vaginal and gut microbiome?

Accepted Answer

Yogurt with live cultures

Answer

Yogurt with live active cultures is one of the richest dietary sources of Lactobacillus species, which support both gut and vaginal microbiome health.

(NTP) Nutritional Therapy Practitioner Practice Test

(NTP) Nutritional Therapy Practitioner Practice Test

NTP Gut Health & Microbiome 3