MCB Exam fully solved and
2026/2027 updated
The factors that must be considered when attempting to use heat for
sterilization include which two of the following? (NOTE: Please
change all question marks to checkmarks for correct answers or
empty boxes for incorrect answers.)
check all that apply
Concentration
Temperature
Time
Population - answer-Temperature
Time
identify the correct statements regarding microbial sensitivity to
heat.
Vegetative cells of endospore-formers are less susceptible to heat
killing than vegetative cells of other species.
Pathogens are equally susceptible to heat killing as other microbes.
Nematodes are surprisingly resistant to heat killing.
,MCB Exam fully solved and
2026/2027 updated
Viruses are among the more heat-stable microbes. - answer-
Pathogens are equally susceptible to heat killing as other microbes.
Viruses are among the more heat-stable microbes.
hich of the following are examples of disinfection?
Wiping skin with alcohol before an immunization
Immersing thermometers in an iodine solution
A 5% solution of bleach to clean a lab table
Cleansing a wound with a peroxide solution
Boiling eating utensils - answer-Immersing thermometers in an iodine
solution
A 5% solution of bleach to clean a lab table
Boiling eating utensils
, MCB Exam fully solved and
2026/2027 updated
The autoclave is not a good choice to sterilize plastic Petri dishes
before disposal because they are heat sensitive.
True false - answer-False
The effectiveness of an antimicrobial agent is only governed by time.
True or False - answer-false
The most common physical agent used to control microbes is . -
answer-heat
Moist heat has the most significant effects on cellular .
proteins
carbohydrates
nucleic acids
lipids - answer-proteins
A technique in which heat is applied to liquids to kill potential agents
of infection and spoilage is - answer-Pausterization
Which are goals of pasteurization?
2026/2027 updated
The factors that must be considered when attempting to use heat for
sterilization include which two of the following? (NOTE: Please
change all question marks to checkmarks for correct answers or
empty boxes for incorrect answers.)
check all that apply
Concentration
Temperature
Time
Population - answer-Temperature
Time
identify the correct statements regarding microbial sensitivity to
heat.
Vegetative cells of endospore-formers are less susceptible to heat
killing than vegetative cells of other species.
Pathogens are equally susceptible to heat killing as other microbes.
Nematodes are surprisingly resistant to heat killing.
,MCB Exam fully solved and
2026/2027 updated
Viruses are among the more heat-stable microbes. - answer-
Pathogens are equally susceptible to heat killing as other microbes.
Viruses are among the more heat-stable microbes.
hich of the following are examples of disinfection?
Wiping skin with alcohol before an immunization
Immersing thermometers in an iodine solution
A 5% solution of bleach to clean a lab table
Cleansing a wound with a peroxide solution
Boiling eating utensils - answer-Immersing thermometers in an iodine
solution
A 5% solution of bleach to clean a lab table
Boiling eating utensils
, MCB Exam fully solved and
2026/2027 updated
The autoclave is not a good choice to sterilize plastic Petri dishes
before disposal because they are heat sensitive.
True false - answer-False
The effectiveness of an antimicrobial agent is only governed by time.
True or False - answer-false
The most common physical agent used to control microbes is . -
answer-heat
Moist heat has the most significant effects on cellular .
proteins
carbohydrates
nucleic acids
lipids - answer-proteins
A technique in which heat is applied to liquids to kill potential agents
of infection and spoilage is - answer-Pausterization
Which are goals of pasteurization?
