Microbiology Ch 7 Exam Questions With Correct Answers.
7 views 0 purchase
Course
Microbiology
Institution
Microbiology
Microbiology Ch 7 Exam Questions With
Correct Answers.
Which of the following shows the moist heat methods in order of the temperature used (highest
to lowest)? - answerUltrahigh>Autoclave>Boiling>Batch Pasteurization
_______________ is a process used to destroy pathogens in food and d...
Microbiology Ch 7 Exam Questions With
Correct Answers.
Which of the following shows the moist heat methods in order of the temperature used (highest
to lowest)? - answer✔Ultrahigh>Autoclave>Boiling>Batch Pasteurization
_______________ is a process used to destroy pathogens in food and drinks. It must be done at a
lower temperature than other methods so that _______________. - answer✔Pasteurization; the
taste of the food or drink will not be altered
During a flood, a community's well water system is contaminated with a pathogenic fungus. If
the residents boil their water for 15 minutes prior to consumption, will they be protected? -
answer✔yes, most likely
Prior to drawing blood for a blood donation, the nurse will scrub the arm with a Betadine
solution. This form of antimicrobial control would be called __________. - answer✔Antisepsis
Antisepsis is the destruction of vegetative pathogens on living tissue
When microbial control methods are used, microbes are destroyed at a constant rate; there is no
instantaneous death of all the microbes present. That microbial death rate is influenced by all of
the following factors EXCEPT __________. - answer✔toxins produced by the microbe
Although microbial toxins may influence the status of an infection, these factors do not influence
the death rate of the organism.
Microbial control methods usually target any of the following microbial structures EXCEPT
which one? - answer✔mitochondria
Most of the target organisms are bacteria or viruses, which do not contain mitochondria. In
addition, microbial control mechanisms attempt to target structures in microbes that are not
common to human cells.
Which of the following physical methods of microbial control denatures proteins as a mechanism
of action? - answer✔boiling or autoclaving
Heat denatures proteins by altering the tertiary structure, inhibiting their function.
Which of the following is an example of microbial control? - answer✔Sue washes off the
vegetables before serving them in a meal.
Sue uses bleach to clean the kitchen counters.
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 $10.49. You're not tied to anything after your purchase.
