WGU D311: Microbiology with Lab: Section 2 || with Errorless
Answers.
What is a characteristic of rhizospheres? correct answers The rhizosphere is where plants release
organic compounds that can be metabolized by microbes into soil.
Which environment would contain microbes that are psychrophilic? correct answers Glaciers
What is the role of nematodes in soil? correct answers They prey on bacteria, smaller nematodes,
fungi, and even plant roots.
Which eukaryote is responsible for producing antibiotics to ward off bacterial competitors?
correct answers Fungi
Which symbiotic relationship is an example of mutualism? correct answers The relationship
between humans and the Escherichia coli colonizing the human gut.
Which type of symbiotic relationship exists between the E. coli that inhibit the human gut and
the humans who utilize the vitamin K produced by E. coli? correct answers Mutualism
Describe resident microbiota. correct answers Resident microbiota constantly live on the human
body.
Which relationship is exhibited by intestinal E. coli and their human host? correct answers
Mutualism
Which type of disease is transmitted from animals to humans? correct answers Zoonotic diseases
Which type of disease is acquired in hospital settings? correct answers Nosocomial diseases
, Which portal of exit can expel the most viral particles? correct answers Respiratory
Which type of disease is sickle cell anemia? correct answers Noninfectious
Which type of transmission occurs when tuberculosis is spread through small particles expelled
by a cough? correct answers Droplet transmission
Which type of transmission occurs when pathogens are spread from mother to child during
breastfeeding? correct answers Vertical direct contact transmission
Which type of transmission occurs when an arthropod carries a viral pathogen inside of its body?
correct answers Biological vector transmission
Which type of transmission occurs through contact with a fomite? correct answers Indirect
contact transmission
Which infected host would be considered a passive carrier? correct answers A healthcare
professional who does not wash their hands after seeing an infected patient.
How is Giardia lamblia, the causative of giardiasis, transmitted? correct answers Contaminated
food or water.
Which organism is the definitive of Toxoplasma gondii? correct answers Cats
Which disease is transmitted by animals but not arthropods? correct answers Rabies
How can adhesins be described? correct answers Adhesins found on the surface of pathogens
bind to receptors of hist cells.
Answers.
What is a characteristic of rhizospheres? correct answers The rhizosphere is where plants release
organic compounds that can be metabolized by microbes into soil.
Which environment would contain microbes that are psychrophilic? correct answers Glaciers
What is the role of nematodes in soil? correct answers They prey on bacteria, smaller nematodes,
fungi, and even plant roots.
Which eukaryote is responsible for producing antibiotics to ward off bacterial competitors?
correct answers Fungi
Which symbiotic relationship is an example of mutualism? correct answers The relationship
between humans and the Escherichia coli colonizing the human gut.
Which type of symbiotic relationship exists between the E. coli that inhibit the human gut and
the humans who utilize the vitamin K produced by E. coli? correct answers Mutualism
Describe resident microbiota. correct answers Resident microbiota constantly live on the human
body.
Which relationship is exhibited by intestinal E. coli and their human host? correct answers
Mutualism
Which type of disease is transmitted from animals to humans? correct answers Zoonotic diseases
Which type of disease is acquired in hospital settings? correct answers Nosocomial diseases
, Which portal of exit can expel the most viral particles? correct answers Respiratory
Which type of disease is sickle cell anemia? correct answers Noninfectious
Which type of transmission occurs when tuberculosis is spread through small particles expelled
by a cough? correct answers Droplet transmission
Which type of transmission occurs when pathogens are spread from mother to child during
breastfeeding? correct answers Vertical direct contact transmission
Which type of transmission occurs when an arthropod carries a viral pathogen inside of its body?
correct answers Biological vector transmission
Which type of transmission occurs through contact with a fomite? correct answers Indirect
contact transmission
Which infected host would be considered a passive carrier? correct answers A healthcare
professional who does not wash their hands after seeing an infected patient.
How is Giardia lamblia, the causative of giardiasis, transmitted? correct answers Contaminated
food or water.
Which organism is the definitive of Toxoplasma gondii? correct answers Cats
Which disease is transmitted by animals but not arthropods? correct answers Rabies
How can adhesins be described? correct answers Adhesins found on the surface of pathogens
bind to receptors of hist cells.
