A) Cholesterol B) Simple sugars C) Saturated fats D) Fiber
A) It decreases the amount of energy generated B) It has no effect on energy generation C) It increases the amount of energy generated D) It stops energy generation entirely
A) Microbiota manipulate the host more frequently B) Microbiota stop functioning C) Microbiota spend energy competing with each other D) Microbiota work together to influence host cravings
A) Small intestine B) Stomach C) Liver D) Pancreas
A) Lipid absorption is inhibited B) Glucose production is suppressed C) Glucose production is increased D) Insulin production is stopped
A) It causes immediate weight gain B) It enhances the ability of lipids to inhibit glucose production C) It blocks the ability of lipids to inhibit glucose production D) It has no effect on glucose production
A) It has remained identical B) It has increased C) It has decreased D) It has doubled
A) Methanobrevibacter B) Lachnospiraceae C) Bacteroidetes D) Fibrobacter
A) Production of complex vitamins B) Prevention of viral infections C) Regulation of body temperature D) Digestion of lignocellulose
A) Termites lose their host-specific traits B) Termites live longer C) Digestive function becomes more efficient D) Digestive function is severely damaged
A) In a deterministic fashion B) Based solely on age C) Based on environmental temperature D) In a random fashion
A) It is significantly reduced B) It disappears completely C) It remains unchanged D) It is significantly elevated
A) Increased capacity to extract calories from indigestible constituents B) Inability to process fats C) Decreased capacity to extract calories D) No change in caloric extraction
A) Atmospheric pressure B) Inoculum density C) Host phylogeny D) Solar radiation
A) It eliminates the gut flora B) It drives changes to their composition C) It prevents the gut flora from evolving D) It forces the gut flora into a dormant state
A) Diet B) Microbiome composition C) Gender D) Bacteriological ecosystem
A) Veillonella B) Streptococcus C) Rothia D) H. pylori
A) Three B) Ten C) Five D) Two
A) High acidity B) Alkaline conditions C) High oxygen levels D) Extreme heat
A) Intestinal failure B) Weight loss C) Increased nutrient absorption D) Improved immune function
A) Aerobic bacteria B) Obligate anaerobes C) Viruses D) Fungi
A) 60% B) 99% C) 30% D) 10%
A) Blood sampling B) 16S rRNA gene sequences C) Gastric analysis D) Biopsy extraction
A) Firmicutes and Actinobacteria B) Bacteroidota and Bacillota C) Verrucomicrobiota and Bacteroidota D) Actinomycetota and Pseudomonadota
A) Bacteroides B) Bifidobacterium C) Helicobacter pylori D) Faecalibacterium prausnitzii
A) Antagonistic B) Parasitic C) Mutualistic, symbiotic D) Commensal only
A) Vitamin A and E B) Biotin and vitamin K C) Vitamin C and D D) B12 and calcium
A) Propionate and acetate B) Glucose and lipids C) Biotin and niacin D) Proteins and amino acids
A) Obesity B) Muscle growth C) Improved vision D) Increased height
A) Antibiotics, stress, and parasites B) Vegetable consumption C) Vitamin supplements D) Exercise, sleep, and hydration
A) Digestive proteome B) Human genome C) Microbial ecosystem D) Gastrointestinal metagenome
A) The gut B) The respiratory tract C) The oral cavity D) The skin
A) Homeostasis B) Symbiosis C) Dysbiosis D) Metabolism
A) The esophagus B) The small intestine C) The stomach D) The colon
A) 99% B) 50% C) 75% D) 25%
A) 55% B) 30% C) 10% D) 85%
A) Fermentation B) Oxidation C) Digestion D) Respiration
A) Endocrine organ B) Lymphatic system C) Nervous system D) Respiratory system
A) High-protein diet B) Paleo diet C) Keto diet D) Mediterranean diet
A) Over 99% B) Less than 10% C) Approximately 75% D) About 50%
A) They are too small B) They are protected by patents C) They are strictly anaerobic D) They cannot be cultured
A) The Global Gut Institute B) The International Microbiota Consortium C) The World Health Organization D) The Human Microbiome Project
A) Clostridium B) Bifidobacterium C) Lactobacillus D) Bacteroides
A) Saccharomyces B) Aspergillus C) Rhodotorula D) Candida
A) Candida B) Trametes C) Rhodotorula D) Penicillium
A) Industrialization B) Exercise C) High-fiber diets D) Agricultural practices
A) A biobank repository B) A classification overhaul C) A global vaccination program D) A ban on antibiotic use
A) Bifidobacterium B) Faecalibacterium C) Lactobacillus D) Bacteroides
A) They change daily B) They fluctuate randomly C) They stay fairly constant D) They completely replace themselves monthly
A) Candida B) Bacteroidetes C) Saccharomyces D) Penicillium
A) Saccharomyces cerevisiae B) Candida albicans C) Penicillium D) Firmicutes
A) Through environmental exposure in adulthood B) Vertical transmission at birth C) Through consumption of cheese D) Through consumption of brewer's yeast
A) Plant viruses B) Bacteriophages C) Viruses that infect native human cells D) Fungal viruses
A) Cysteine B) Glutamate C) Polysaccharides D) Glutamine
A) Florence children B) US urban population C) Yanomami Amerindians D) Hadza hunter-gatherers
A) Treponema B) Prevotella C) Firmicutes D) Bacteroidetes
A) Penicillium B) Saccharomyces C) Treponema D) Candida
A) More yeast B) Less yeast C) No yeast D) Only pathogenic bacteria
A) Twelve B) Two C) Six D) Twenty
A) Surinamese B) Dutch C) South Asian D) African
A) Inaccurate sequencing technology B) Small sample size C) Lack of geographical focus D) Too many participants
A) Auditory processing B) Skeletal growth C) Visual acuity D) Immune regulation
A) Lactobacillus acidophilus B) Escherichia coli C) Bifidobacterium D) Clostridioides difficile
A) 10% B) 25% C) 90% D) 50%
A) B cells B) T helper cells C) Goblet cells D) Stem cells
A) General-associated lymphoid tissue B) Gut-associated lymphoid tissue C) Gut-aligned lymphatic tissue D) Gastric-associated lymphoid tissue
A) Steroids B) Mucosa C) Inflammation D) Antibodies
A) IgA antibodies B) Anti-inflammatory cytokines C) Inflammatory cytokines D) Mucosa layers
A) IgA B) IgM C) IgE D) IgG
A) Cytokine receptor signaling B) NF-kB C) B cell receptor signaling D) T helper signaling
A) Turning carbohydrates into short-chain fatty acids. B) Breaking down proteins into complex sugars. C) Producing vitamins like biotin and folate. D) Synthesizing chitin polymers.
A) Lactic acid B) Propionic acid C) Butyric acid D) Acetic acid
A) Lactose B) Acetic acid C) Propionic acid D) Butyric acid
A) Lactobacillus B) Escherichia coli C) Methanobrevibacter smithii D) Ruminococcus
A) Glucose B) Lactose C) Chitin D) Cellulose
A) Pharmacomicrobiomics B) Microbial metabolism C) Xenobiotic synthesis D) Saccharolytic fermentation
A) Enzymatic inhibition B) Indirect mechanism C) Host-mediated metabolism D) Direct mechanism
A) Through microbial metabolites B) By direct chemical cleavage C) By physically binding to cytochrome P450 D) Through protein synthesis inhibition
A) Dehydroxylase B) Beta-glucuronidase C) Decarboxylase D) Cytochrome P450
A) Irinotecan B) Digoxin C) L-dopa D) Lovastatin
A) Bifidobacterium bifidum B) Eggerthella lanta C) Escherichia coli D) Lactobacillus acidophilus
A) Microbiome-encoded beta-glucuronidase B) Inactivation by Eggerthella lanta C) Direct chemical modification by P450 D) Microbial decarboxylase enzymes
A) A chemotherapeutic agent B) An active acid hydroxylated drug C) A lactone prodrug D) A heart failure medication
A) Digoxin-inactivation B) Irinotecan metabolism C) L-dopa decarboxylation D) Lovastatin activation
A) Cholic acid reductase B) Short chain fatty acids C) Bile salt hydrolases D) Lactobacillus dehydrogenase
A) DNA damage B) Improved homeostasis C) Increased germination of C. difficile D) Reduced gut motility
A) Gall bladder B) Liver C) Vagus nerve D) Pancreas
A) Small intestine B) Hepatocytes C) Colon D) Stomach
A) Colon B) Liver C) Small intestine D) Gall bladder
A) The father's gut microbiota. B) A sterile environment. C) The mother's third-trimester samples. D) The mother's first-trimester samples.
A) Live microorganisms B) Synthesized fiber compounds C) Dead microbial cells D) Standardized pharmaceutical salts
A) A probiotic that is not for human use B) Raw, unprocessed fiber from plants C) Genetically engineered probiotics D) Any food that is high in sugar
A) Escherichia coli strain K12 B) Salmonella enterica C) Bifidobacterium infantis D) Helicobacter pylori
A) 50% B) 24% C) 40% D) 10%
A) 1000 B) 24 C) 100 D) 40
A) Genetic modification B) Substrate for growth C) Antibiotic protection D) Regulatory approval
A) Hypothalamic–thyroid axis B) Hypothalamic–pituitary–adrenal axis C) Renin–angiotensin–aldosterone axis D) Sympathetic–parasympathetic axis
A) Lack of inflammation B) Excessive weight gain C) Abdominal pain D) High gut diversity
A) Facultative anaerobic bacteria such as Escherichia coli B) Actinobacteria C) Lactobacilli D) Bifidobacteria
A) Fungal communities B) Viral communities C) Bacterial communities D) Protozoan communities |