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D311: WGU Microbiology with Lab: Pre Assessment (Questions & Answers)
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D311: WGU Microbiology with Lab: Pre Assessment (Questions & Answers)
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D311: WGU Microbiology with Lab: Pre Assessment(Questions & Answers)
Which class of cells most often contain extrachromosomal DNA found in
plasmids?
A. Prokaryotic
B. Eukaryotic
C. Animal
D. Protist Right Ans - A. Prokaryotic
What is the significance of the molecule that makes up the bilayer formed in
the plasma membrane of most bacterial and eukaryotic cells?
A.Phospholipids help maintain hydrophobic and hydrophilic environments.
B. Mitochondria help maintain the energy required for the diffusion of
nutrients
C. Ribosomes help maintain protein structures
D. Cytoplasm helps maintain hydrophobic and hydrophilic environments
Right Ans - A.Phospholipids help maintain hydrophobic and hydrophilic
environments.
Which microorganisms produce dermatophytes that can cause skin infections,
such as athlete's foot and ringworm?
A. Fungi
B. Bacteria
C. Viruses
D. Parasites Right Ans - A. Fungi
Which microorganisms can produce human pathogens that spread via
microsporidia?
A. Fungi
B. Bacteria
C. Viruses
D. Parasites Right Ans - A. Fungi
Why are archaea considered prokaryotic organisms?
A. Their cells are composed of pseudopeptidoglycan
B. They are unicellular
C. They can live in extreme environments
, D. Their cells do not contain a nucleus Right Ans - D. Their cells do not
contain a nucleus.
Why is MRSA more pathogenic than other strains of Staphylococcus aureus?
A. MRSA has increased antibiotic resistance
B. MRSA produces an enterotoxin
C. MRSA resists degradation by phagocytes
D. MRSA produces hyaluronidase to penetrate skin Right Ans - A. MRSA has
increased antibiotic resistance.
A patient recently had an outpatient surgical procedure. After a few days at
home, they noticed swelling and redness at their incision site. How would this
infection be classified?
A. Latrogenic
B. Zoonotic
C. Noncommunicable
D. Vectors-transmitted Right Ans - A. Iatrogenic
Which viral virulence factor requires adjustments to the influenza vaccine
annually?
A. Antigenic variation
B. Encapsulation
C. Adhesion
D. Replication Right Ans - A. Antigenic variation
Which pair of enzymes are produced by some bacteria that causes the clotting
of blood to protect the bacteria in the bloodstream, then a digestion of the
clots to allow the bacteria to spread?
A. Coagulase and kinase
B. Protease and phospholipid
C. Hyaluronidase and collagenase
D. Coagulase and nuclear Right Ans - A. Coagulase and kinase
How does coinfection of a single cell by multiple strains of a virus increase its
pathogenicity?
A. Coinfection provides the opportunity for an antigenic shift
B. Coinfection limits the opportunity for harmful mutations
C. Coinfection provides the animal to adapt to the pathogen
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