Question

nursing related question critical thinking answer them all Morden dental assisting book Principles and techniques of disinfection chapter 20

How can you protect the electrical switches on an x-ray unit while keeping the switches free from contamination and electrical short circuits?
The label on a new disinfectant states in large print that the product "will kill HIV in 30 seconds," and in smaller print, it states that the tuberculocidal time is "10 minutes." How long should you leave this product on the surface to be disinfected?
What precautions must you take when using immersion-type disinfectants?
As you are removing plastic barriers from the light handle, you notice that one of the barriers had a tear in it. No blood is visible on the handle. What would you do, and why?
You begin a new job in Dr. Landry's office and discover that the dental assistant is using a 1:100 solution of household bleach for surface disinfection. What would you suggest to the assistant, and why?

Answer 1

The electrical switches in the x ray unit can be protected by the following method

• Radiation safety interlock switches.
• Using insulator to prevent short circuit
• Interlock switches prevent electrical power transmission to external area when the access port door is opened.

Immersion type disinfectant is used to disinfect articles by completely immersing in the disinfectant liquid.Personal protective equipment like mask ,gloves,goggles to be worn to avoid chemical contacts

Leaving the product for 10 minutes is sufficient to kill both tuberculosis and HIV organism

Plastic barrier is used to protect certain devices in the healthcare sector.If you find one torn use chemical decontamination of the instrument, ultraviolet light is a newer technology

The assistant has to be taught about the ratio of dilution the normal dilution ratio is 2:1000 (20 ml/1 litre of water)