D311: WGU Microbiology with Lab: PA || Questions and Correct
Detailed Answers.
Which class of cells most often contain extrachromosomal DNA found in plasmids?
A. Prokaryotic
B. Eukaryotic
C. Animal
D. Protist correct answers 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 correct answers
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 correct answers A. Fungi
Which microorganisms can produce human pathogens that spread via microsporidia?
A. Fungi
B. Bacteria
C. Viruses
D. Parasites correct answers 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 correct answers 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 correct answers 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 correct answers A. Iatrogenic
Which viral virulence factor requires adjustments to the influenza vaccine annually?
A. Antigenic variation
B. Encapsulation
C. Adhesion
D. Replication correct answers A. Antigenic variation
Detailed Answers.
Which class of cells most often contain extrachromosomal DNA found in plasmids?
A. Prokaryotic
B. Eukaryotic
C. Animal
D. Protist correct answers 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 correct answers
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 correct answers A. Fungi
Which microorganisms can produce human pathogens that spread via microsporidia?
A. Fungi
B. Bacteria
C. Viruses
D. Parasites correct answers 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 correct answers 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 correct answers 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 correct answers A. Iatrogenic
Which viral virulence factor requires adjustments to the influenza vaccine annually?
A. Antigenic variation
B. Encapsulation
C. Adhesion
D. Replication correct answers A. Antigenic variation
