100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
MCPHS Microbiology Exam Study Guide with Complete Solutions $12.49   Add to cart

Exam (elaborations)

MCPHS Microbiology Exam Study Guide with Complete Solutions

 4 views  0 purchase
  • Course
  • MCPHS
  • Institution
  • MCPHS

MCPHS Microbiology Exam Study Guide with Complete Solutions Pathogenicity - Answer️️ -The ability to cause disease Virulence - Answer️️ -the extent of pathogenicity Portals of entry - Answer️️ -mucous membranes, skin, parenteral route ID50 (infectious dose) - Answer️️ -The numb...

[Show more]

Preview 3 out of 28  pages

  • September 15, 2024
  • 28
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • MCPHS
  • MCPHS
avatar-seller
SophiaBennett
©SOPHIABENNETT
EXAM_SOLUTIONS GUARANTEED SUCCESS 2024/2025 ACADEMIC YEAR




©SOPHIABENNETT 9/2/24 2024/2025

, ©SOPHIABENNETT EXAM SOLUTIONS_2024/2025 Monday, September 2, 2024 12:59 PM



MCPHS Microbiology Exam Study Guide
with Complete Solutions


Pathogenicity - Answer✔️✔️-The ability to cause disease


Virulence - Answer✔️✔️-the extent of pathogenicity

Portals of entry - Answer✔️✔️-mucous membranes, skin, parenteral route

ID50 (infectious dose) - Answer✔️✔️-The number of microbes that must enter the body to

establish infection in 50% of test animals is expressed as the ID50

LD50 - Answer✔️✔️-lethal dose (of a toxin) for 50% of the test population

Adherence - Answer✔️✔️-Adhesions / ligands bind to receptors on host cells, form

biofims

Glycocalyx: streptococcus mutans

Fimbriae: E.coli

M proteins: Strepoccus pyogenes

Pili, flagella, glycoproteins, lipoproteins

Capsules - resist phagocytosis - Answer✔️✔️-Strep. Pneumoniae, Hib, bacillus anthracis

cell wall components - Answer✔️✔️-M proteins: mediates attachment and resists

phagocytosis (strep. pyogenes)

Opa protein: assist attachment and recept mediated endocytosis, inhibs helper t cells

(n. gonorrhoeae)

Mycolic acid: Waxy, resists digestion (mycobacterium TB)

Page | 1

, ©SOPHIABENNETT EXAM SOLUTIONS_2024/2025 Monday, September 2, 2024 12:59 PM


Enzymes - Answer✔️✔️-Coagulase: coagulates fibrinogen

Kinases: digest fibrin clots

hyaluronidase: hydrolyzes hyaluronic acid

Collagenase: hydrolyzes collagen

IgA proteases: destroys IgA antibodies

antigenic variation - Answer✔️✔️-Alteration of surface antigens to avoid detection by host

antibodies

Examples: flu, gonorrhea, trypanosoma brucei gambiense

Invasins: Penetration into the host cell cytoskeleton - Answer✔️✔️-Salmonella alters host

actin to enter a host cell

Listeria uses actin to move from one cell to the next

Direct damage caused by - Answer✔️✔️-disrupting the host cells function

produces waste products

toxins

induce hypersensitive reactions

damage immediate vicinity

use hosts nutrients (iron) -siderophores

Siderophores - Answer✔️✔️-proteins that free host stores of iron

Toxin - Answer✔️✔️-substance that contributes to pathogenicity

Toxoid - Answer✔️✔️-inactivated toxin used in a vaccine

Antitoxin - Answer✔️✔️-antibodies against a specific toxin




Page | 2

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

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

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

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 SophiaBennett. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $12.49. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

62890 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 14 years now

Start selling
$12.49
  • (0)
  Add to cart