WGU D311 Microbiology 2024 study for OA QUESTIONS WITH ANSWERS

WGU D311 Microbiology 2024 study for OA |\ |\ |\ |\ |\ |\ |\




QUESTIONS WITH 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 photosynthesize and fix nitrogen.|\ |\ |\ |\




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
|\ |\ |\ |\ |\ |\ |\ |\


Escherichia coli (E. coli) that inhabit the human gut and the
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\


humans who utilize the vitamin K produced by E. coli? - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\


ANSWERS ✔✔Mutualism
|\ |\

,Which description of resident microbiota is true? - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\ |\


ANSWERS ✔✔Resident microbiota constantly live on the human
|\ |\ |\ |\ |\ |\ |\ |\


body.


Which relationship is exhibited by intestinal Escherichia 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 agent of giardiasis,
|\ |\ |\ |\ |\ |\ |\ |\ |\


transmitted? - CORRECT ANSWERS ✔✔Contaminated food or |\ |\ |\ |\ |\ |\ |\


water


Which organism is the definitive host of Toxoplasma gondii? -
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\


CORRECT ANSWERS ✔✔Birds |\ |\




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 host cells.
|\ |\




Which description indicates a portal of entry? - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\ |\


ANSWERS ✔✔Body features through which pathogens can enter
|\ |\ |\ |\ |\ |\ |\ |\


host tissue |\

, Pathogens produce proteins to prevent the fusion of the
|\ |\ |\ |\ |\ |\ |\ |\ |\


phagosome and the lysosome (phagolysosome).Why does this
|\ |\ |\ |\ |\ |\ |\


virulence factor facilitate invasion? - CORRECT ANSWERS ✔✔It
|\ |\ |\ |\ |\ |\ |\ |\


prevents the exposure of pathogens to lethal digestive enzymes.
|\ |\ |\ |\ |\ |\ |\ |\




Which action refers to a secondary infection? - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\ |\


ANSWERS ✔✔An infection by one pathogen enables another
|\ |\ |\ |\ |\ |\ |\ |\


pathogen to cause an infection. |\ |\ |\ |\




What differentiates signs from symptoms of disease? - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\ |\


ANSWERS ✔✔Signs are measurable; symptoms are subjective.
|\ |\ |\ |\ |\ |\




Which procedure does a clinician use to measure a symptom? -
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\


CORRECT ANSWERS ✔✔Asking patients to rate pain on a
|\ |\ |\ |\ |\ |\ |\ |\ |\


numerical scale |\




During which stage of an infection does a patient feel the worst?
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\


- CORRECT ANSWERS ✔✔The period of illness stage
|\ |\ |\ |\ |\ |\ |\ |\




What defines the end of the incubation period for an infectious
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\


disease? - CORRECT ANSWERS ✔✔The appearance of nonspecific
|\ |\ |\ |\ |\ |\ |\


signs or symptoms of disease
|\ |\ |\ |\ |\




How does the epidermis help prevent infection and disease? -
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\


CORRECT ANSWERS ✔✔It provides a harsh environment for most
|\ |\ |\ |\ |\ |\ |\ |\ |\


pathogens and periodically sheds |\ |\ |\