Probiotics: Quiz 1 & 2, Exam 1 UPDATED ACTUAL Questions and
CORRECT Answers
Question: Based on the energy and carbon source, most pathogens and probiotics are
Correct Answer: : chemoheterotrophs
Question: Based on the optimum temperature for growth, probiotics are
Correct Answer: : mesophiles
Question: The products of anaerobic respiration include
Correct Answer: : acid and alcohol
Question: spore-forming probiotic is
Correct Answer: : Bacillus subtilis
Question: Most commonly used probiotic yeast
Correct Answer: : Saccharomyces boulardii
Question: The beneficial bacteria that helps prevent infant diarrhea is
Correct Answer: : Bifidobacterium
Question: ___ are involved with food fermentation
Correct Answer: LAB/probiotics
Question: Yeast ferments sugars into
Correct Answer: : alcohol
Question: An organism actively growing in hot springs is called a
Correct Answer: : hyperthermophile
Question: Neonates born via ____ have a different microbiome compared to infants delivered through
______.
Correct Answer: C-section; vaginal birth
Question: An organism actively dividing at a temperature of -10 to 20 degrees C is called a
Correct Answer: : psychrophile
Question: Adjunct cultures are added to cheese to
Correct Answer: : flavor and taste
Question: Direct fed microbials are probiotics meant for
Correct Answer: : animals
Question: Name 3 selection criteria for probiotics
Correct Answer: : not be pathogenic with regards to animals in general and human consumers; free of
plasmid encoded antibiotic resistance genes; resistant to bile salts and low pH; adhere to and grow well in
the intestinal mucus; colonize the intestinal epithelial surface; not die under normal storage conditions
, Question: ******types of aerboic/anaerobic bacteria
Correct Answer: chart!!!!!
Question: name one antioxidant
Correct Answer: Vitamin C or E
Question: Why is wine not a good source of probiotics?
Correct Answer: sulfating/copper sulfate
Question: The human microbiome includes
Correct Answer: : prokaryotes, eukaryotes, archaea
Question: LAB belong to this phyla
Correct Answer: firmicutes
Question: the VFAs produced by bacterial fermentation of carbohydrates include
Correct Answer: : propionic acid, butryic acid, lactic acid, acetic acid
Question: Microbiome in the gut produce
Correct Answer: : Vitamin K and Biotin
Question: Babies born via C-section and then swabbed with microbial wipes had higher amounts of which
2 probiotcs?
Correct Answer: Lactobacillus & Bacteroides
Question: In the study on obesity, loss in body weight was associated with an increase in _____ population.
Correct Answer: Bacteroidetes
Question: Microbial composition on the skin is ______ the gut population
Correct Answer: different from
Question: Babies born through C-section had a microbiome similar to the mother's ______
Correct Answer: skin
Question: Gnotobiotic mice are ___ colonized with microorganisms.
Correct Answer: very few / germ-free
Question: Humans have a mature, stable microbiome by the age of __
Correct Answer: 3
Question: Most pathogens belong to the phylum
Correct Answer: : proteobacteria
Question: The neurotransmitter that induces a feeling of well-being is
Correct Answer: : seratonin
Question: The predominant phyla in the gut microbiome include
Correct Answer: : bacteroidetes and firmicutes
Question: Name 5 causes of dysbiosis in adults
CORRECT Answers
Question: Based on the energy and carbon source, most pathogens and probiotics are
Correct Answer: : chemoheterotrophs
Question: Based on the optimum temperature for growth, probiotics are
Correct Answer: : mesophiles
Question: The products of anaerobic respiration include
Correct Answer: : acid and alcohol
Question: spore-forming probiotic is
Correct Answer: : Bacillus subtilis
Question: Most commonly used probiotic yeast
Correct Answer: : Saccharomyces boulardii
Question: The beneficial bacteria that helps prevent infant diarrhea is
Correct Answer: : Bifidobacterium
Question: ___ are involved with food fermentation
Correct Answer: LAB/probiotics
Question: Yeast ferments sugars into
Correct Answer: : alcohol
Question: An organism actively growing in hot springs is called a
Correct Answer: : hyperthermophile
Question: Neonates born via ____ have a different microbiome compared to infants delivered through
______.
Correct Answer: C-section; vaginal birth
Question: An organism actively dividing at a temperature of -10 to 20 degrees C is called a
Correct Answer: : psychrophile
Question: Adjunct cultures are added to cheese to
Correct Answer: : flavor and taste
Question: Direct fed microbials are probiotics meant for
Correct Answer: : animals
Question: Name 3 selection criteria for probiotics
Correct Answer: : not be pathogenic with regards to animals in general and human consumers; free of
plasmid encoded antibiotic resistance genes; resistant to bile salts and low pH; adhere to and grow well in
the intestinal mucus; colonize the intestinal epithelial surface; not die under normal storage conditions
, Question: ******types of aerboic/anaerobic bacteria
Correct Answer: chart!!!!!
Question: name one antioxidant
Correct Answer: Vitamin C or E
Question: Why is wine not a good source of probiotics?
Correct Answer: sulfating/copper sulfate
Question: The human microbiome includes
Correct Answer: : prokaryotes, eukaryotes, archaea
Question: LAB belong to this phyla
Correct Answer: firmicutes
Question: the VFAs produced by bacterial fermentation of carbohydrates include
Correct Answer: : propionic acid, butryic acid, lactic acid, acetic acid
Question: Microbiome in the gut produce
Correct Answer: : Vitamin K and Biotin
Question: Babies born via C-section and then swabbed with microbial wipes had higher amounts of which
2 probiotcs?
Correct Answer: Lactobacillus & Bacteroides
Question: In the study on obesity, loss in body weight was associated with an increase in _____ population.
Correct Answer: Bacteroidetes
Question: Microbial composition on the skin is ______ the gut population
Correct Answer: different from
Question: Babies born through C-section had a microbiome similar to the mother's ______
Correct Answer: skin
Question: Gnotobiotic mice are ___ colonized with microorganisms.
Correct Answer: very few / germ-free
Question: Humans have a mature, stable microbiome by the age of __
Correct Answer: 3
Question: Most pathogens belong to the phylum
Correct Answer: : proteobacteria
Question: The neurotransmitter that induces a feeling of well-being is
Correct Answer: : seratonin
Question: The predominant phyla in the gut microbiome include
Correct Answer: : bacteroidetes and firmicutes
Question: Name 5 causes of dysbiosis in adults
