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24 Cards in this Set

  • Front
  • Back
A microbicidal agent has what effect?
destroys microorganisms
Microbial control methods that kill _______ are able to sterilize.
endospores
Any process that destroys the non-spore forming contaminants on inanimate objects is?
disinfection
Sanitization is a process by which
the microbial load on objects is reduced
An example of an agent that lowers the surface tension of cells is
alcohol
High temperatures _______ and low temperatures _______
kill cells, inhibit cell growth
The primary of ______ heat is to ______
moist, denature proteins
Ionizing radiation removes ______ from atoms
electrons
The primary mode of action of nonionizing radiation is to
make pyrimidine dimers
The most versatile method of sterilizing heat-sensitive liquids is
filtration
________ is the iodine of choice for wound treatment
iodophor
A chemical with sporicidal properties is
glutaraldehyde
Silver sulfanamide is used in
antisepsis of burns
Detergents are
low-level germicides
Name one approved sterilant
ethylene oxide
a compound synthesized by bacteria or fungi that destroys or inhibits the growth of other microbes is
antibiotic
Antimicrobial drugs should
have selective toxicity, be active when highly diluted, be microbicidal, be broken down and excreted slowly
Microbial resistance to drugs is acquired through
conjugation, transduction, transformation
R factors are _____ that contain a code for ______
plasmids, drug resistance
When a patient's immune system becomes reactive to a drug, this is an example of
allergy
An antibiotic that disrupts the normal flora can cause
a superinfection
Most antihelmithic drugs function by
blocking the absorption of nutrients
Which antiviral drugs can prevent viral nucleic acid from being replicated?
acyclovir, AZT
What should an antiviral do?
stop virus synthesis, inhibit virus maturation, block virus receptors