MICR 290 EXAM PREP QUESTIONS AND
ANSWERS BUNDLED FULL SOLUTION
STUDY SHEET
●● alcohol and bleach
Answer: (2) Examples for a chemical method of killing germs
●● antibiotics
Answer: (2) Examples for a biological method of killing germs
●● DNA
Answer: Which structure of microbes are mostly damaged by UV light ?
●● thymine dimers
Answer: What type of lesion UV makes in the DNA of bacteria and what
does it lead to ?
●● UV-C
Answer: What is the most lethal form of UV light
●● 100-280 nm
Answer: what is the lethal form of UV light's wavelength?
, ●● 254 nm
Answer: What is the wavelength of UV light emitted by germicidal lamp
?
●● UV-C
Answer: What is the best sterilization of air?
●● UV-C
Answer: What is the best sterilization of surfaces?
●● UV-C
Answer: What is the best sterilization of water?
●● UV-C
Answer: What is the best sterilization of operating rooms?
●● air, operating rooms, surfaces, water
Answer: (4) Examples of type of material that germicidal lamps are used
for?
(alphabetical order)
●● endospores
ANSWERS BUNDLED FULL SOLUTION
STUDY SHEET
●● alcohol and bleach
Answer: (2) Examples for a chemical method of killing germs
●● antibiotics
Answer: (2) Examples for a biological method of killing germs
●● DNA
Answer: Which structure of microbes are mostly damaged by UV light ?
●● thymine dimers
Answer: What type of lesion UV makes in the DNA of bacteria and what
does it lead to ?
●● UV-C
Answer: What is the most lethal form of UV light
●● 100-280 nm
Answer: what is the lethal form of UV light's wavelength?
, ●● 254 nm
Answer: What is the wavelength of UV light emitted by germicidal lamp
?
●● UV-C
Answer: What is the best sterilization of air?
●● UV-C
Answer: What is the best sterilization of surfaces?
●● UV-C
Answer: What is the best sterilization of water?
●● UV-C
Answer: What is the best sterilization of operating rooms?
●● air, operating rooms, surfaces, water
Answer: (4) Examples of type of material that germicidal lamps are used
for?
(alphabetical order)
●● endospores