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Author Question: At what temperature does the washer-sterilizer reach to ensure safe handling for employees? a. ... (Read 87 times)

rachel9

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on: Jul 18, 2018
At what temperature does the washer-sterilizer reach to ensure safe handling for employees?
 
  a. 110 F (43.3 C)
  b. 250 F to 280 F (121 C to 138 C)
  c. 140 F (60 C)
  d. 180 F (82 C)

Question 2

Which is a disadvantage of using ultraviolet (UV) irradiation as a means of disinfection?
 
  a. The rays can kill selective vegetative bacteria, fungi, and lipoprotein viruses.
  b. UV rays may cause skin burns.
  c. UV rays produce nonionizing radiant energy.
  d. Pathogens have effective contact with the UV rays for destruction.


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T4T

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Reply #1 on: Jul 18, 2018
Answer to Question 1

ANS: B
The temperature of the washer sterilizer ranges from 250 F to 280 F (121 C to 138 C).

Answer to Question 2

ANS: B
UV rays can cause burns similar to sunburns, and thus skin covering and protective goggles must be worn when exposed to them. Pathogens moving across the ray of UV light may not be exposed to radiant energy long enough for effective contact and destruction to occur.


rachel9

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Reply 2 on: Jul 18, 2018
Gracias!

dyrone

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Reply 3 on: Yesterday
Wow, this really help

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