Exam (elaborations)
microbiology semmelweis exam questions and answers
- Course
- Institution
microbiology semmelweis exam questions and answers
[Show more]
Content preview
microbiology semmelweis examquestions and answers
What does sterilisation mean? - Correct Answers -Killing procedure of any kind of
germs
What does disinfection mean? - Correct Answers -Procedure where the number of the
germs are reduced to a safety level.
Which parameters can influence the effectivity of the sterilisation? - Correct Answers -
The number of the germs, the resistance of the germs, the concentration of the
disinfectants, the presence of the organic materials, the initial time, the presence of the
biofilm.
Parameters of the hot-air sterilisation cupboard protocol? - Correct Answers -180°C; 1
hour, 160°C; 2 hours, 140°C; 3 hours.
Parameters of the autoclaving? - Correct Answers -+ 1 atm overpressure, 121°C, 20-30
minutes or 134°C, +2 atm overpressure 10 minutes.
Chemical agents used for gas sterilisation? - Correct Answers -Etilene oxide,
formaldehyde, beta-propiolacton
The theoretical background of plasma sterilisation? - Correct Answers -Hydrogen-
peroxide in high electric field will form plasma stage. The produced free radicals will kill
the microbes. At the end of the procedure will be produced water, oxygen and other
nontoxic products.
Biological method used for checking the effectivity of the sterilisation. - Correct Answers
-By Bacillus/Geobacillus stearothermophilus spores. If the procedure was performed in
correct way, the spores cannot be cultivated.
Detection of the presence of pyrogenic material in drugs? - Correct Answers -LAL test;
The blood of the horseshoe crab will coagulate in the presence of the LPS
What are the disinfectants? - Correct Answers -Chemical agents used on
inanimate/non-living surfaces.
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 millyphilip. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $9.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
83637 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now