D311 WGU Microbiology with Lab PA questions with ANSWERS

D311: WGU Microbiology with Lab: PA
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questions with ANSWERS |\ |\




Which class of cells most often contain extrachromosomal DNA
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found in plasmids?
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A. Prokaryotic
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B. Eukaryotic
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C. Animal
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D. Protist - CORRECT ANSWERS ✔✔A. Prokaryotic
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What is the significance of the molecule that makes up the
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bilayer formed in the plasma membrane of most bacterial and
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eukaryotic cells? |\




A.Phospholipids help maintain hydrophobic and hydrophilic |\ |\ |\ |\ |\ |\


environments.
B. Mitochondria help maintain the energy required for the
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diffusion of nutrients |\ |\ |\




C. Ribosomes help maintain protein structures
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D. Cytoplasm helps maintain hydrophobic and hydrophilic
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environments - CORRECT ANSWERS ✔✔A.Phospholipids help |\ |\ |\ |\ |\ |\


maintain hydrophobic and hydrophilic environments.
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Which microorganisms produce dermatophytes that can cause
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skin infections, such as athlete's foot and ringworm?
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A. Fungi
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,B. Bacteria
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C. Viruses
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D. Parasites - CORRECT ANSWERS ✔✔A. Fungi
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Which microorganisms can produce human pathogens that
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spread via microsporidia?
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A. Fungi
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B. Bacteria
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C. Viruses
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D. Parasites - CORRECT ANSWERS ✔✔A. Fungi
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Why are archaea considered prokaryotic organisms?
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A. Their cells are composed of pseudopeptidoglycan
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B. They are unicellular
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C. They can live in extreme environments
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D. Their cells do not contain a nucleus - CORRECT ANSWERS
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✔✔D. Their cells do not contain a nucleus.
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Why is MRSA more pathogenic than other strains of
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Staphylococcus aureus? |\




A. MRSA has increased antibiotic resistance
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B. MRSA produces an enterotoxin
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C. MRSA resists degradation by phagocytes
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D. MRSA produces hyaluronidase to penetrate skin - CORRECT
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ANSWERS ✔✔A. MRSA has increased antibiotic resistance.
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, A patient recently had an outpatient surgical procedure. After a
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few days at home, they noticed swelling and redness at their
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incision site. How would this infection be classified?
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A. Latrogenic
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B. Zoonotic
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C. Noncommunicable
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D. Vectors-transmitted - CORRECT ANSWERS ✔✔A. Iatrogenic
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Which viral virulence factor requires adjustments to the influenza
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vaccine annually?
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A. Antigenic variation
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B. Encapsulation
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C. Adhesion
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D. Replication - CORRECT ANSWERS ✔✔A. Antigenic variation
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Which pair of enzymes are produced by some bacteria that
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causes the clotting of blood to protect the bacteria in the
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bloodstream, then a digestion of the clots to allow the bacteria to
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spread?
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A. Coagulase and kinase
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B. Protease and phospholipid
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C. Hyaluronidase and collagenase
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D. Coagulase and nuclear - CORRECT ANSWERS ✔✔A. Coagulase
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and kinase |\