Exam 3- Disinfectants and Antibiotics Flashcards
chemicals used on inanimate objects
disinfectants
chemicals used on living tissues
antiseptics
kill bacteria
bactericidal agents
can inhibit growth for a period of time
bacteriostatic agents
how long a compound must be left on a surface in order to be effective
dwell time
the time it takes for 90% of test bacteria to be killed
decimal reduction time
anything that kills or inhibits the growth of microorganisms
antimicrobials
a chemical made by microorganisms to kill or inhibit other microorganisms
antibiotics
work well against a variety of bacterial types
broad spectrum antibiotics
work only against specific types of bacteria
narrow spectrum antibiotics
antibiotics would be effective to use against the bacteria
sensitive
antibiotic has some effect against the bacteria
intermediate
antibiotic is not effective against the bacteria
resistant
if an antibiotic is effective against the bacteria there will be _______________ around the disk where the bacteria didn’t grow
zone of inhibition
Which bacteria in lab was most resistant to antibiotics?
Pa