Dental Nurse Decontamination – 2026 – Study and Practice Guide
5 stages of washer disinfector - correct answer ✔✔ flush, wash, rinse, thermal disinfection, dry
how long should the instruments be in the holding solution for - correct answer ✔✔ no more
than 2 hours
what shouldn't be used as a detergent and why - correct answer ✔✔ chlorhexidine as it binds
blood proteins
how long is a ultrasonic bath yime - correct answer ✔✔ 5-10 mins
purpose of ultrasonic bath - correct answer ✔✔ to debride not disinfect
how often should validation of ultrasonic bath be carried out - correct answer ✔✔ quarterly
how is validation carried out - correct answer ✔✔ 9 strips of aluminium foil
what does the first stage of washer disinfector do - correct answer ✔✔ flushes - removes
difficult debris
n-type autoclave - correct answer ✔✔ non vacuum
B type autoclave - correct answer ✔✔ vacuum
a type autoclave - correct answer ✔✔ specific loads
5 stages of washer disinfector - correct answer ✔✔ flush, wash, rinse, thermal disinfection, dry
how long should the instruments be in the holding solution for - correct answer ✔✔ no more
than 2 hours
what shouldn't be used as a detergent and why - correct answer ✔✔ chlorhexidine as it binds
blood proteins
how long is a ultrasonic bath yime - correct answer ✔✔ 5-10 mins
purpose of ultrasonic bath - correct answer ✔✔ to debride not disinfect
how often should validation of ultrasonic bath be carried out - correct answer ✔✔ quarterly
how is validation carried out - correct answer ✔✔ 9 strips of aluminium foil
what does the first stage of washer disinfector do - correct answer ✔✔ flushes - removes
difficult debris
n-type autoclave - correct answer ✔✔ non vacuum
B type autoclave - correct answer ✔✔ vacuum
a type autoclave - correct answer ✔✔ specific loads
