Practice Quiz 9

Question 1

an example of an agent that affects the cell membrane (surface tension) of cells is

Answer 1

alcohol

Question 2

any process that destroys the non-spore forming contaminants on inanimate objects is called

Answer 2

disinfection

Question 3

drugs that prevent the formation of the bacterial cell wall are

Answer 3

beta-lactams

Question 4

ionizing radiation causes

Answer 4

double-stranded DNA breaks

Question 5

microbial control methods that kill ____ are able to sterilize

Answer 5

endospores

Question 6

microbial resistance to drugs is acquired through ____

Answer 6

conjugation, transformation, transduction

Question 7

most antihelminthic drugs function by

Answer 7

weakening (various ways) so they can then be flushed out of the intestines

Question 8

sanitizing is a process by which

Answer 8

the microbial load on inanimate objects is reduced

Question 9

sulfonamide drugs initially disrupt which process?

Answer 9

folic acid synthesis

Question 10

the first naturally occurring antibiotic was _____

Answer 10

penicillin

Question 11

which of the following can be used to sterilize?

Answer 11

ethylene oxide

Question 12

______ is used to remove bacteria from heat-sensitive solution like vitamins, antibiotics, and media

Answer 12

membrane filtration