WGU C453 OA/ WGU C453 OA
MICROBIOLOGY 2023/2024 REAL EXAM
WITH 100 QUESTIONS & ANSWERS (100%
CORRECT & VERIFIED ANSWERS) GRADE
A+
A person has been ill with a bad cold. She is now feeling
better, but is still not 100%. What disease stage or period is
she currently in?
a. Incubation period
b. Invasive phase
c. Prodromal phase
d. Convalescent period
d. Convalescent period
You wake up feeling bad and know you are coming down with
something but don't know what.
symptoms are mild, often malaise or headache.
What disease stage or period is this?
a. Incubation period
b. Invasive phase
c. Prodromal phase
d. Convalescent period
c. Prodromal phase
, ~2~
What is the time during which an individual has the typical
symptoms of a disease like fever, nausea, headache, rash,
swollen lymph nodes, etc.
a. Incubation period
b. Invasive phase
c. Prodromal phase
d. Convalescent period
b. Invasive phase
Which statement best describes a Parasitism relationship
between an organism and a host?
a. The microorganism and host both benefit equally from the
relationship.
b. The microorganism and host both suffer
c. The microorganism benefits, while the host suffers.
d. The microorganism benefits from the relationship, while the
host is neither helped nor harmed by it.
c. The microorganism benefits, while the host suffers.
An organism/host relationship is considered to be
commensalism when.......
a. The microorganism and human both benefit
b. The microorganism and host both suffer
c. The microorganism benefits, while the human suffers.
d. The microorganism benefits from the relationship, while the
human is neither helped nor harmed by it.
, ~3~
d. The microorganism benefits from the relationship, while the
human is neither helped nor harmed by it.
When both the microorganism and the host both suffer from
the relationship?
a. Invasive
b. Acme
c. Antagonism
d. Fulminating
c. Antagonism
During what phase signs and symptoms reach their greatest
intensity?
a. Invasive
b. Acme
c. Antagonism
d. Fulminating
b. Acme
Which of the following is a function of peptidoglycan?
a. Promotes phagocytosis
b. Protects cells from bursting
c. Allows bacteria to adhere to surfaces and each other
d. Regulates movement of substances into and out of the
bacterial cell
b. Protects cells from bursting
, ~4~
What term is used to describe spherical bacterial cells?
a. Bacillus
b. Coccus
c. Spirillum
d. Vibrio
b. Coccus
Which of the following structures is associated with Gram-
positive bacteria?
a. Teichoic acid
b. Periplasmic space
c. Peptidoglycan
d. Lipopolysaccharide
a. Teichoic acid
Which of the following microorganisms lack mitochondria?
a. Fungi
b. Bacteria
c. Parasites
d. Protists
b. Bacteria
what connects bacterial cells during the exchange of genetic
material?
a. flagellum
b. nucleoid region
c. cell wall
d. pilus
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