1. In which items or situations might you want to reduce or limit microbial growth? Check all that
apply 1. Storing leftover food 2. Drinking water 3. Surgical incision
2. Which of the following are chemical means of microbial control? Check all that apply
disinfectant, antibiotics
3. match the microbial control term with its description antiseptic = a chemical used to remove or
destroy vegetative pathogens on skin tissue
disinfectant = a chemical used to remove or destroy vegetative pathogens on inanimate objects
sterilization = a process that destroys or removes all forms of microbial life, including
endospores
4. an antibiotic which interferes with the activity of ribosomes would have the most direct
effect on protein synthesis
5. rank these organisms from the most difficult to destroy or control to the easiest to control
bacterial endospores, pseudomonas aeruginosa , streptococcus species
6. which of the following reflects the wavelength range of UV radiation? 100-380 nm
7. UV radiation causes the formation of ___ ___ thymine dimers
8. which of the following can be disinfected using UV radiation surfaces, liquids such as
water and cider, air
9. which of the following are risks associated with UV exposure skin cancer, eye damage
10. looking at this set of images, what is the minimum length of UV light exposure that could
be used to disinfect an area contaminated with bacillus 2.5 min
11. what is the purpose of the white card seen in this image? It blocks the UV light from one side of
the plate to produce a control
12. chlorhexidine, chlorxylenol, or iodine compounds are often found in antimicrobial soaps
used as surgical scrubs. these are examples of antiseptics
apply 1. Storing leftover food 2. Drinking water 3. Surgical incision
2. Which of the following are chemical means of microbial control? Check all that apply
disinfectant, antibiotics
3. match the microbial control term with its description antiseptic = a chemical used to remove or
destroy vegetative pathogens on skin tissue
disinfectant = a chemical used to remove or destroy vegetative pathogens on inanimate objects
sterilization = a process that destroys or removes all forms of microbial life, including
endospores
4. an antibiotic which interferes with the activity of ribosomes would have the most direct
effect on protein synthesis
5. rank these organisms from the most difficult to destroy or control to the easiest to control
bacterial endospores, pseudomonas aeruginosa , streptococcus species
6. which of the following reflects the wavelength range of UV radiation? 100-380 nm
7. UV radiation causes the formation of ___ ___ thymine dimers
8. which of the following can be disinfected using UV radiation surfaces, liquids such as
water and cider, air
9. which of the following are risks associated with UV exposure skin cancer, eye damage
10. looking at this set of images, what is the minimum length of UV light exposure that could
be used to disinfect an area contaminated with bacillus 2.5 min
11. what is the purpose of the white card seen in this image? It blocks the UV light from one side of
the plate to produce a control
12. chlorhexidine, chlorxylenol, or iodine compounds are often found in antimicrobial soaps
used as surgical scrubs. these are examples of antiseptics
