QUIZ 2 - MSN 6204 Flashcards
Which of the following is not a byproduct of intestinal putrefaction?
Short chain fatty acids
Ammonia
Phenols
hydrogen peroxide
Indoles
hydrogen peroxide
Two probiotic strains with evidence of efficacy in the treatment of intestinal dysbiosis are:
Lactobacillus acidophilus La5 and Lactobacillus casei
Shirota Bifidobacterium lactis Bb12 and Lactobacillus acidophilus La5
Lactobacillus rhamnosus GG and Bifidobacterium lactis HN019
Lactobacillus acidophilus La5 and Bifidobacterium lactis HN019
Lactobacillus rhamnosus GG and Bifidobacterium lactis HN019
Which of the following is not a physiological activity of short chain fatty acids:
Improved laxation
Improved mineral absorption
Improved serum vitamin B12 levels
Improved colonic epithelial barrier function
Trophic effects on the small intestine
Improved serum vitamin B12 levels
Putrefaction is the process by which:
Resistant starch is fermented
Oligosaccharides are fermented
Protein is fermented
Non-starch polysaccharides are fermented
Protein is fermented
A high milk-fat diet encouraged the growth of what microorganism?
Lactobacillus acidophilus
Clostridiodes difficile
Bilophila wadsworthia
Bifidobacterium lactis Bacteroides fragili
Bilophila wadsworthia
Bifidobacterium longum BB536 can be found in which supplement?
Culturelle
Pure Encapsulations Probiotic IMM
Natural Factors Acidophilus & Bifidus
Yakult drink
Pure Encapsulations Probiotic IMM
Which of the following probiotic strains increase your endogenous populations of bifidobacteria when consumed:
Lactobacillus casei Shirota
Lactobacillus acidophilus NCFM
Lactobacillus rhamnosus GG
All of the above
None of the above
All of the above
Causes of dysbiosis include:
Antibiotics
Stress
Birth via Caesarean section
All of the above
All of the above
The potential for an antimicrobial agent to influence the gut microflora is related to its:
Pharmacokinetics
Spectrum of activity
Length of administration
All of the above
None of the above
All of the above
Hydrogen sulfide gas is produced by which colonic bacterial species:
Bifidobacterium spp. and Lactobacillus spp.
Desulfovibrio spp. and Bacteroides spp.
Bifidobacterium spp. and Desulfomaculum spp.
Desulfovibrio spp. and Desulfomaculum spp.
Desulfovibrio spp. and Desulfomaculum spp.
The three main short chain fatty acids produced in the colon are:
Acetate, butyrate and lactate
Propionate, butyrate and acetate
Lactate, propionate and isovalerate
Isovalerate, acetate and butyrate
Hydrochloric, acetate, and butyrate
Propionate, butyrate and acetate
Which of the following conditions is not associated with intestinal dysbiosis?
Irritable bowel syndrome
Obesity
Functional dyspepsia
Rheumatoid arthritis
Atopic eczema
Functional dyspepsia
The disappearing microbiota hypothesis states:
That alterations in human macroecology have progressively affected the composition of our indigenous microbiota, which in turn has affected
human physiology and, ultimately, increased the risk of allergic and metabolic diseases
That the increased rates of modern allergic and metabolic diseases hasarisen due to changes in our genetics
That the increased rates of modern allergic and metabolic diseases has arisen due to global warming.
All of the above
None of the above
That alterations in human macroecology have progressively affected the composition of our indigenous microbiota, which in turn has affected
human physiology and, ultimately, increased the risk of allergic and metabolic diseases
A pathobiont is defined as:
A commensal microorganism that is able to promote pathology only when specific genetic or environmental conditions are altered in the host
A healthy balanced ecosystem
A relationship benefiting both parties
A unit of biological organization composed to a host and its microbiota
A healthy balanced ecosystem
A commensal microorganism that is able to promote pathology only when specific genetic or environmental conditions are altered in the host
Which if the following bacterial genera are capable of producing butyrate? Choose the most correct answer.
Anaerotruncus, Faecalibacterium, Roseburia
Anaerostipes, Bifidobacterium, and Lactobacillus
Escherichia, Bacteroides, Peptococcus
Atopobium, Faecalibacterium, Enterococcu
Anaerotruncus, Faecalibacterium, Roseburia
