WGU D311 UAM1 COMPREHENSIVE TEST
PAPER WITH VERIFIED ANSWERS
◉ Staphylococcus epidermldls is a member of the human resident
microbiota and considered part of the human innate immune
system. S. epldermidis uses our dead skin cells as a source of
nutrients. What type of relationship between S. epidermidis and
humans is described above?
Answer: The type of relationship between Staphylococcus
epidermidis and humans described above is "Commensalism,"
where one organism (S. epidermidis) benefits (uses dead skin
cells) without harming the other organism (humans).
Commensalism
◉ Why is the production of lactic acid by the resident microbe
Lactobacillus Important to human health?
Answer: Lactic acid is important to human health because it
inhibits the growth of pathogenic yeasts.
◉ Which type of infections are prevented by proper sterilization
of hospital equipment and healthcare worker handwashing?
Answer: Nosocomial infections are prevented by proper
sterilization of hospital equipment and healthcare worker
handwashing.
, ◉ A patient Is determined to have contracted Lyme disease after
being bit by an infected tick. What type of transmission is
described in this scenario?
Answer: Vector transmission is described in this scenario.
◉ Which is a description of vehicle transmission?
Answer: A person drinks untreated water on vacation and later
has diarrhea and nausea is a description of vehicle transmission.
◉ Which organism type contains species that perform adhesion
through the unique use of its flagella to move out fluid from under
a large adhesive disc, resulting in lower pressure to adhere to the
intestinal lining?
Answer: Protozoa
◉ A patient presents to the emergency department with high
fever. difficulty breathing. vomiting, coughing up blood. and severe
chest pain when inhaling. Which pathogen would the provider
suspect?
Answer: Bacillus anthracis
◉ Which activity of the complement system would be useful
against an infection caused by a gram-negative bacterium?
Answer: Membrane attack complex
◉ Which body system is protected by the ciliary escalator?
PAPER WITH VERIFIED ANSWERS
◉ Staphylococcus epidermldls is a member of the human resident
microbiota and considered part of the human innate immune
system. S. epldermidis uses our dead skin cells as a source of
nutrients. What type of relationship between S. epidermidis and
humans is described above?
Answer: The type of relationship between Staphylococcus
epidermidis and humans described above is "Commensalism,"
where one organism (S. epidermidis) benefits (uses dead skin
cells) without harming the other organism (humans).
Commensalism
◉ Why is the production of lactic acid by the resident microbe
Lactobacillus Important to human health?
Answer: Lactic acid is important to human health because it
inhibits the growth of pathogenic yeasts.
◉ Which type of infections are prevented by proper sterilization
of hospital equipment and healthcare worker handwashing?
Answer: Nosocomial infections are prevented by proper
sterilization of hospital equipment and healthcare worker
handwashing.
, ◉ A patient Is determined to have contracted Lyme disease after
being bit by an infected tick. What type of transmission is
described in this scenario?
Answer: Vector transmission is described in this scenario.
◉ Which is a description of vehicle transmission?
Answer: A person drinks untreated water on vacation and later
has diarrhea and nausea is a description of vehicle transmission.
◉ Which organism type contains species that perform adhesion
through the unique use of its flagella to move out fluid from under
a large adhesive disc, resulting in lower pressure to adhere to the
intestinal lining?
Answer: Protozoa
◉ A patient presents to the emergency department with high
fever. difficulty breathing. vomiting, coughing up blood. and severe
chest pain when inhaling. Which pathogen would the provider
suspect?
Answer: Bacillus anthracis
◉ Which activity of the complement system would be useful
against an infection caused by a gram-negative bacterium?
Answer: Membrane attack complex
◉ Which body system is protected by the ciliary escalator?
