A microbicidal agent has what effect?
a. sterilizes
b. inhibits microorganisms
c. is toxic to human cells
d. destroys microorganisms
What is d. destroys microorganisms.
100
A compound synthesized by bacteria or fungi that destroys or inhibits the growth of other microbes is a/an
a. synthetic drug
b. antibiotic
c. antimicrobial drug
d. competitive inhibitor
What is (b. antibiotic)
100
Microbial resistance to drugs is acquired through
a. conjugation c. transduction
b. transformation d. all of these
What is d. all of these
100
What is the selective substance in Mannitol agar that E. coli hates and Staph aureus loves?
What is sodium chloride
200
The temperature-pressure combination for an autoclave is
a. 100 degree C and 4 psi
b. 121 degree C and 15 psi
c. 121 degree C and 30 psi
d. 115 degree C an 15 psi
What is b. 121 degree C and 15 psi
200
Include low level germicides: surfactant alters membranes
a. aldehydes
b. chlorhexidine
c. detergents
d. halogens
What is c. detergents
200
Tamiflu blocks neuraminidase affecting what stage in the virus multiplication cycle?
What is release.
200
This results when non-targeted microbes are destroyed and resistant ones grow in a person.
a. mutation
b. superinfection
c. competitive inhibition
d. synergistic effects
What is b. superinfection
200
A selective agent, and a differential substrate in MacConkey used to identify enteric bacteria like E. coli.
a. sodium chloride, mannose
b. iodine, fructose
c. crystal violet, lactose
d. bile salt, glucose