D311: WGU Microbiology with Lab: PA Practice Questions And Complete Accurate Answers.
6 views 0 purchase
Course
WGU 440
Institution
WGU 440
Which class of cells most often contain extrachromosomal DNA found in plasmids? - correct answer Prokaryotic
What is the significance of the molecule that makes up the bilayer formed in the plasma membrane of most bacterial and eukaryotic cells? - correct answer Phospholipids help main...
Which class of cells most often contain extrachromosomal DNA found in plasmids? - correct answer
Prokaryotic
What is the significance of the molecule that makes up the bilayer formed in the plasma membrane of
most bacterial and eukaryotic cells? - correct answer Phospholipids help maintain hydrophobic and
hydrophilic environments.
Which microorganisms produce dermatophytes that can cause skin infections, such as athlete's foot and
ringworm? - correct answer Fungi
Which microorganisms can produce human pathogens that spread via microsporidia? - correct answer
Fungi
Why are archaea considered prokaryotic organisms? - correct answer Their cells do not contain a
nucleus.
Why is MRSA more pathogenic than other strains of Staphylococcus aureus? - correct answer 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? - correct answer Iatrogenic
Which viral virulence factor requires adjustments to the influenza vaccine annually? - correct answer
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? - correct
answer Coagulase and kinase
, How does coinfection of a single cell by multiple strains of a virus increase it's pathogenicity? - correct
answer Coinfection provides the opportunity for an antigenic shift.
Canned food is heated and sealed in sterile containers to provide a longer shelf life and prevent
spoilage. Improper canning results in the growth of microorganisms, which may result in food containers
that swell and explode.
Which staining technique can be used to identify these microorganisms? - correct answer Endospore
staining
A student in a lab has just completed an endospore stain of Bacillus anthracis and realized that heat was
not applied during the staining technique.
What will the student see upon microscopic examination of the slide? - correct answer Pink
vegetative cells with clear round areas.
A physician is given a vaginal swab in order to test for post-antibiotic vaginal infection.
Which microscopic technique would identify opportunistic fungal pathogen? - correct answer Wet
mount stain
A technician has just performed a Gram stain but forgot to add the safranin.
What is the likely result of this when viewed microscopically? - correct answer Gram-negative
organisms can not be seen under the microscope.
Which characteristic of mycobacterium makes a Gram stain unsuitable? - correct answer The cell wall
has a waxy lipid.
Which feature of infection indicates the presence of a primary pathogen rather than an opportunistic
pathogen? - correct answer Patients with healthy immune systems.
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Rechga. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $12.99. You're not tied to anything after your purchase.
