Microbial control methods that kill/destroy __________ are able to sterilize. -
ANSWER endospores
Sanitization is a process by which - ANSWER the microbial load on objects is reduced.
An example of an agent that lowers the surface tension of cells is - ANSWER alcohol
High temperatures _______ and low temperatures _______. - ANSWER kill cells,
inhibit cell growth
Microbe(s) that is/are the target(s) of pasteurization include - Both b & c - ANSWER
(Mycobacterium species, Salmonella species) - ANSWER
The primary mode of action of nonionizing radiation is to - ANSWER make pyrimidine
dimers
The most practical method of disinfecting municipal water supplies would be -
ANSWER filtration
A chemical with sporicidal properties is - ANSWER glutaraldehyde
1
, Silver nitrate is used - ANSWER in antisepsis of burns.
Detergents are low-level germicides.The process of destroying non-spore-forming organisms
on inanimate objects fits within the definition of disinfection. - ANSWER -TRUE
The acceptable temperature pressure combination for an autoclave is 131°C and 9 psi. -
ANSWER FALSE-(The acceptable temperature pressure combination for an autoclave is
121°C and 15 psi.)
Ionizing radiation dislodges protons from atoms. - ANSWER FALSE- (Ionizing radiation
dislodges electrons from atoms)
A microbicide is an agent that destroys microorganisms. - ANSWER TRUE
Prions are easily denatured by heat. - ANSWER FALSE- (Prions are highly resistant to
denaturation by heat)
A compound synthesized by bacteria or fungi that destroys or inhibits the growth of other
microbes is a/an - ANSWER antibiotic
Which statement is not an aim in the use of drugs in antimicrobial therapy? -
ANSWER The drug should be broken down and excreted rapidly.
Drugs that prevent the formation of the bacterial cell wall are - ANSWER beta-lactams.
Microbial resistance to drugs is acquired through - ANSWER (all of these) conjugation,
transformation, transduction
R factors are ________ that contain a code for ___________. - ANSWER plasmids,
drug resistance
2
ANSWER endospores
Sanitization is a process by which - ANSWER the microbial load on objects is reduced.
An example of an agent that lowers the surface tension of cells is - ANSWER alcohol
High temperatures _______ and low temperatures _______. - ANSWER kill cells,
inhibit cell growth
Microbe(s) that is/are the target(s) of pasteurization include - Both b & c - ANSWER
(Mycobacterium species, Salmonella species) - ANSWER
The primary mode of action of nonionizing radiation is to - ANSWER make pyrimidine
dimers
The most practical method of disinfecting municipal water supplies would be -
ANSWER filtration
A chemical with sporicidal properties is - ANSWER glutaraldehyde
1
, Silver nitrate is used - ANSWER in antisepsis of burns.
Detergents are low-level germicides.The process of destroying non-spore-forming organisms
on inanimate objects fits within the definition of disinfection. - ANSWER -TRUE
The acceptable temperature pressure combination for an autoclave is 131°C and 9 psi. -
ANSWER FALSE-(The acceptable temperature pressure combination for an autoclave is
121°C and 15 psi.)
Ionizing radiation dislodges protons from atoms. - ANSWER FALSE- (Ionizing radiation
dislodges electrons from atoms)
A microbicide is an agent that destroys microorganisms. - ANSWER TRUE
Prions are easily denatured by heat. - ANSWER FALSE- (Prions are highly resistant to
denaturation by heat)
A compound synthesized by bacteria or fungi that destroys or inhibits the growth of other
microbes is a/an - ANSWER antibiotic
Which statement is not an aim in the use of drugs in antimicrobial therapy? -
ANSWER The drug should be broken down and excreted rapidly.
Drugs that prevent the formation of the bacterial cell wall are - ANSWER beta-lactams.
Microbial resistance to drugs is acquired through - ANSWER (all of these) conjugation,
transformation, transduction
R factors are ________ that contain a code for ___________. - ANSWER plasmids,
drug resistance
2
