BIOS 2210 EXAM 3 QUESTIONS AND ANSWERS
100% SOLVED
All of the following terms apply to microbial killing EXCEPT: - ANSWER fungistatic
An autoclave normally sterilizes material by heating the material to ______ C for 15 min at ____
psi - ANSWER 121.5, 15
The following statements are true about pasteurization EXCEPT: - ANSWER Refrigeration milk
has been flash pasteurized at 32 degrees C for 15 sec that eliminates pathogens only
What are antiseptics? - ANSWER Chemicals for use on living tissues, such as isopropanol
What needs to come into consideration when using UV light to sterilize - ANSWER 1. Surface
to be sterilized needs direct exposure
2. Thymine dimers can be damaging to skin
3. May not be effective against all endospore forming organisms
What methods can be effective against endospores? - ANSWER chlorine, and autoclaving at
the correct temperature and pressure
The best way to prevent the spread of MRSA: - ANSWER wash hands with soap
, ____ is when an antimicrobial drug should damage the infectious agent but not the host -
ANSWER selective toxicity
Sulfonamides (sulfa drugs) interfere with bacterial cell proliferation by: - ANSWER disrupting
folic acid metabolism
Which is incorrectly paired with its use? - ANSWER tetracycline - viruses
tetracycline is an antibiotic, so it won't work against viruses.
A paper disc or small cylinder containing antibiotic is used in the antibiotic sensitivity assay is
known as the: - ANSWER Kirby Bauer method
Tetracyclines interfere with: - ANSWER translation
The following drug is a synergistic drug that combats the resistance factor enzyme produced
by Gram + cells called penicillinase and attacks the building of peptidoglycan. - ANSWER
augmentin
it is a penicillin antibiotic
Which of the following work by targeting and inhibiting protein synthesis in bacteria? -
ANSWER chloramphenicol
100% SOLVED
All of the following terms apply to microbial killing EXCEPT: - ANSWER fungistatic
An autoclave normally sterilizes material by heating the material to ______ C for 15 min at ____
psi - ANSWER 121.5, 15
The following statements are true about pasteurization EXCEPT: - ANSWER Refrigeration milk
has been flash pasteurized at 32 degrees C for 15 sec that eliminates pathogens only
What are antiseptics? - ANSWER Chemicals for use on living tissues, such as isopropanol
What needs to come into consideration when using UV light to sterilize - ANSWER 1. Surface
to be sterilized needs direct exposure
2. Thymine dimers can be damaging to skin
3. May not be effective against all endospore forming organisms
What methods can be effective against endospores? - ANSWER chlorine, and autoclaving at
the correct temperature and pressure
The best way to prevent the spread of MRSA: - ANSWER wash hands with soap
, ____ is when an antimicrobial drug should damage the infectious agent but not the host -
ANSWER selective toxicity
Sulfonamides (sulfa drugs) interfere with bacterial cell proliferation by: - ANSWER disrupting
folic acid metabolism
Which is incorrectly paired with its use? - ANSWER tetracycline - viruses
tetracycline is an antibiotic, so it won't work against viruses.
A paper disc or small cylinder containing antibiotic is used in the antibiotic sensitivity assay is
known as the: - ANSWER Kirby Bauer method
Tetracyclines interfere with: - ANSWER translation
The following drug is a synergistic drug that combats the resistance factor enzyme produced
by Gram + cells called penicillinase and attacks the building of peptidoglycan. - ANSWER
augmentin
it is a penicillin antibiotic
Which of the following work by targeting and inhibiting protein synthesis in bacteria? -
ANSWER chloramphenicol
