100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
IMM 250 MIDTERM EXAM QUESTIONS AND APPROVED SOLUTIONS GRADED A+ | LATEST UPDATE (2024) $16.49   Add to cart

Exam (elaborations)

IMM 250 MIDTERM EXAM QUESTIONS AND APPROVED SOLUTIONS GRADED A+ | LATEST UPDATE (2024)

 3 views  0 purchase
  • Module
  • IMM 250
  • Institution
  • IMM 250

Identify the correct description of the variolation "royal experiment". A. Members of royal family in London were inoculated by Edward Jenner with material obtained from cowpox scabs because cowpox was known to be a microorganism similar to smallpox but less virulent B. Members of royal family ...

[Show more]

Preview 4 out of 59  pages

  • October 20, 2024
  • 59
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • IMM 250
  • IMM 250
avatar-seller
nataliamurugi
IMM 250 MIDTERM EXAM QUESTIONS AND
APPROVED SOLUTIONS GRADED A+ | LATEST
UPDATE (2024)

Identify the correct description of the variolation "royal experiment".


A. Members of royal family in London were inoculated by Edward Jenner with
material obtained from cowpox scabs because cowpox was known to be a
microorganism similar to smallpox but less virulent


B. Members of royal family in London were inoculated by Edward Jenner first
with material obtained from cowpox scabs and, after two weeks, with
material obtained from smallpox scabs


C. Members of the royal family were subjected to variolation with material
obtained from smallpox scabs after a "clinical trial" conducted on prisoners
and orphans that indicated the practice was safe and could be performed on
the royal family


D. Lady Montagu, a member of the royal family, became a strong advocate of
variolation after returning from a stay in Constantinople where variolation
was a common practice. She asked the royal physician to variolate her
children. - ✔✔C. Members of the royal family were subjected to variolation with material
obtained from smallpox scabs after a "clinical trial" conducted on prisoners
and orphans that indicated the practice was safe and could be performed on
the royal family
Which of the following scientists contributed the most to the experimental
evidence for the germ theory of disease?

,A. Robert Koch


B. Edward Jenner


C. Ilya Metchnikoff


D. Paul Ehrlich - ✔✔A. Robert Koch
Many aspects of the side-chain theory of antibody formation proposed by Paul
Erhlich have been proved correct with the exception of?


A. The idea that cells express membrane-bound anti-toxins that are selected by
a specific antigen


B. The idea that membrane-bound anti-toxins bind antigen in virtue of a lock
and key mechanism


C. The idea that a single cell can express many different membrane-bound antitoxins
for different antigens


D. The idea that membrane-bound anti-toxins can also be secreted in a soluble
form - ✔✔C. The idea that a single cell can express many different membrane-bound
antitoxins
for different antigens
In the 1890s a rivalry started between cellularists and humoralists. A prominent
representative of cellular immunity was:


A. Emil von Behring


B. Shibasaburo Kitasato


C. Ilya Metchnikoff

,D. Paul Ehrlich - ✔✔C. Ilya Metchnikoff
Louis Pasteur is credited for:


A. The creation of the first vaccine for anthrax


B. The discovery of microbial fermentation


C. The demonstration that microorganisms are not spontaneously generated


D. All of the above - ✔✔D. All of the above
Which of the following is correct about lysozyme?


A. Is an enzyme present in secretions and tears


B. Is part of the chemical innate barriers to infection


C. Is a protein capable of dissolving the cell wall of bacteria


D. All of the above is correct - ✔✔D. All of the above is correct
Antimicrobial peptides are:


A. Released by mast cells during an allergic reaction


B. Peptides that destroy the integrity of microbial membranes


C. Enzymes that can cleave peptidoglycan


D. Substances that work as opsonins - ✔✔B. Peptides that destroy the integrity of
microbial membranes
The function of the thick layer of mucus produced by intestinal epithelial cells is?

, A. To provide a mechanical barrier


B. To limit microbiota-epithelial cell contact


C. To entrap pathogens


D. All of the above - ✔✔D. All of the above
Which of the following is not considered a virulence factor?


A. Flagella


B. Bacterial effector proteins manipulating host actin cytoskeleton


C. Bacterial toxins


D. Peptidoglycan - ✔✔D. Peptidoglycan
Which of the following infections might be caused by use of antibiotics?


A. Clostridium difficile


B. Salmonella


C. Helicobacter pylori


D. E. coli - ✔✔A. Clostridium difficile
Which of the following concerning M cells is NOT true?


A. M cells are macrophages found in the gut mucosa


B. They represent a portal of entry for some bacteria

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 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 nataliamurugi. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $16.49. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

84866 documents were sold in the last 30 days

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

Start selling
$16.49
  • (0)
  Add to cart