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WGU C453 CLINICAL MICROBIOLOGY OA(OBJECTIVE ASSESSMENT) LATEST QUESTIONS AND ANSWERS)
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WGU C453 CLINICAL MICROBIOLOGY OA(OBJECTIVE ASSESSMENT) LATEST QUESTIONS AND ANSWERS)
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WGU C453 CLINICAL MICROBIOLOGYOA(OBJECTIVE ASSESSMENT) LATEST
QUESTIONS AND ANSWERS)
what connects bacterial cells during the exchange of genetic material?
a. flagellum
b. nucleoid region
c. cell wall
d. pilus (correct answers)d. pilus
Which of the following structures is associated with Gram-positive bacteria?
a. Teichoic acid
b. Periplasmic space
c. Peptidoglycan
d. Lipopolysaccharide (correct answers)a. Teichoic acid
Which bacteria have cell walls that are approximately 10-20% peptidoglycan?
a. Gram-positive
b. Gram-negative
c. Acid-fast
d. Wall-deficient (correct answers)b. Gram-negative
Which of the following types of bacteria are slow growing, due to the
high lipid content of their cellwalls?
a. Gram-positive
,b. Gram-negative
c. Acid-fast
d. Wall-deficient (correct answers)c. Acid-fast
Which of the following structures is associated with Gram-negative
bacteria and is an active area of cellmetabolism?
a. Teichoic acid
b. Periplasmic space
c. Peptidoglycan
d. Lipopolysaccharide (correct answers)b. Periplasmic space
Which of the following is a function of the cell membrane?
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
(correct answers)d. Regulatesmovement of substances into and out of
the bacterial cell
are intracellular pathogens that require a host cell to replicate.
a. Fungi
b. Protists
c. Helminthes
d. Viruses (correct answers)d. Viruses
,Which of the following is not a viral group?
a. Positive sense DNA virus
b. Double-stranded DNA virus
c. Single-stranded DNA virus
d. Double-stranded RNA virus (correct answers)a. Positive sense DNA virus
Which viral family is composed of (-) sense single-stranded RNA with an
envelope and causes the flu?
a. Flaviviridae
b. Orthomyxoviridae
c. Retroviridae
d. Adenoviridae (correct answers)b. Orthomyxoviridae
Which of the following statements is false about hypha?
a. They are used to form long filaments of fungi.
b. Fungi can regrow from a single hyphal cell.
c. A yeast cell is called a hypha.
d. They can contain multiple nuclei. (correct answers)c. A yeast cell is called a
hypha.
All of the following phyla of fungi have a sexual stage, except:
, a. Ascomycota
b. Basidiomycota
c. Deuteromycota
d. Zygomycota (correct answers)c. Deuteromycota
Which of the following refers to the time between initial infection and
symptom onset?
a. Incubation period
b. Invasive phase
c. Prodromal phase
d. Convalescent period (correct answers)a. Incubation period
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 (correct answers)b. Invasive phase
When both the microorganism and the host both suffer from the
relationship?
a. Invasive
b. Acme
c. Antagonism
d. Fulminating (correct answers)c. Antagonism
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