Nester Microbiology - Respiratory System Infections Exam Questions With Correct Answers
0 view 0 purchase
Course
Nester Microbiology
Institution
Nester Microbiology
Nester Microbiology - Respiratory System
Infections Exam Questions With Correct
Answers
Red throat with patches of pus and scattered tiny hemorrhages (not adenovirus) - answerStrep
Throat
Neck lymph nodes enlarged and tender (not adenovirus) - answerStrep Throat
Scarlet fever and roughening o...
Scarlet fever and roughening of the skin - answer✔Strep Throat
Many virulence factors that can alter structural components of the host or be enzymes and toxins
- answer✔Streptococcus pyogenes
80 subtypes of streptococcal protein that are adhesins and prevent phagocytosis due to C3b -
answer✔M protein
Streptococcal protein that helps in attachment to cells of the throat by adhering to fibrin -
answer✔Protein F
Produces DNase, hyaluronidase, and proteases to spread (does not cause conjunctivitis) -
answer✔Streptococcus pyogenes
Produces streptokinase to break clots - answer✔Streptococcus pyogenes
Produces protein G as an Fc receptor - answer✔Streptococcus pyogenes
Produces C5a peptidase, preventing migration of phagocytes - answer✔Streptococcus pyogenes
Produces Streploysins O and S that destroy erythrocytes and leukocytes -
answer✔Streptococcus pyogenes
Produces SPEs, aka erythrogenic toxin, in lysogenized form, superantigens that cause massive
release of cytokines causing scarlet fever and roughening of the skin - answer✔Streptococcus
pyogenes
Respiratory pathogen that may also cause "flesh eating necrotizing fasciitis" -
answer✔Streptococcus pyogenes
Streptococcal protein that acts as an Fc receptor - answer✔Protein G
Protein produced to break clots - answer✔Streptokinase
Proteins that destroy erythrocytes and leukocytes - answer✔Streploysins O and S
Superantigens that cause massive release of cytokines causing scarlet fever and roughening of
the skin - answer✔SPE
GAS - answer✔Group A Streptococcus
Criterion for Lancefield grouping - answer✔Cell wall carbohydrates
Produces a hyaluronic acid capsule - answer✔Streptococcus pyogenes
Type of antibodies to which Protein G bonds - answer✔IgG
Confirmed by diagnostic tests and throat culture - answer✔Strep Throat
Treat with penicillin and erythromycin (2) - answer✔Strep Throat, Pneumococcal pneumonia
Long term carriers have strains that are deficient in a protein (agent and protein) -
answer✔Streptococcus pyogenes, M protein
Infection that leads to multiple sequelae due to immune response - answer✔Strep Throat
Can occur after healing from strep throat - answer✔Post-Streptococcal Sequelae
Joint pains, chest pains, rash, and nodules under the skin - answer✔Acute Rheumatic Fever
Causes chorea - answer✔Acute Rheumatic Fever
Causes heart failure and damage to valves in 1/3 of patients - answer✔Acute Rheumatic Fever
Only develops in people who are genetically predisposed due to MHC II alleles -
answer✔Acute Rheumatic Fever
Autoimmune response involving both humoral and cell mediated response with antibodies
against the pathogen reacting with host tissue such as cardiac myosin - answer✔Acute
Rheumatic Fever
Synonym of chorea - answer✔Uncontrollable body movement
Synonym of uncontrollable body movement - answer✔Chorea
Precedes Chronic Rheumatic Heart Disease - answer✔Acute Rheumatic Fever
Can follow Strep Throat but more commonly follows streptococcal skin infection -
answer✔Acute Post-Streptococcal Glomerulonephritis
Fluid retention, high BP, blood and proteins in urine (looks like Coca Cola) - answer✔Acute
Post-Streptococcal Glomerulonephritis
Damage due to inflammatory response to pathogen antigens that accumulate in the kidney
glomeruli - answer✔Acute Post-Streptococcal Glomerulonephritis
Antibodies bind to antigens of pathogen and initiate complement response - answer✔Acute
Post-Streptococcal Glomerulonephritis
Disease caused by a pleomorphic bacterium - answer✔Diphtheria
Bacterium that forms pallisades - answer✔Corynebacterium diphtheriae
Forms black colonies in medium containing potassium-tellurite - answer✔Corynebacterium
diphtheriae
Grown on Loeffler medium, enhancing volutin granules that can be seen with methylene blue -
answer✔Corynebacterium diphtheriae
Dramatic swelling of the neck - answer✔Diphtheria
Whitish-gray pseudomembrane on the tonsils, throat, or nasal cavity - answer✔Diphtheria
Heart, kidney failure, and paralysis (nerve damage) may occur due to toxin in blood -
answer✔Diphtheria
Toxin in lysogenized strains - answer✔Corynebacterium diphtheriae
Structure made of dead cells, clotted blood, fibrin, and leukocytes - answer✔Diphtheria
Pseudomembrane
Structure that may come loose and obstruct passageway - answer✔Diphtheria
Pseudomembrane
Obstruction by a membrane that leads to suffocation - answer✔Diphtheria
Inactivates EF-2 preventing movement of mRNA on ribosomes, and causing cell death -
answer✔Diphtheria Exotoxin
Type of Diphtheria Exotoxin - answer✔A-B Exotoxin
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 Brightstars. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $11.49. You're not tied to anything after your purchase.
