A barber cleans metal shears by wiping them with a phenolic disinfectant wipe immediately after use on each client. What is the critical flaw in this method?
Practise this Barber License question free, then download the PDF, watch the video walkthrough, or unlock timed mock exams for the full web bank.
ADisinfectant wipes are reserved for surface areas, not implements
BMetal shears must only be disinfected using UV light cabinets
CWiping does not allow sufficient contact time and fails to pre-clean organic matter that can neutralize the disinfectant
DPhenolic disinfectants are not EPA-registered and cannot be used in a barbershop
✓ Correct answer: C. Wiping does not allow sufficient contact time and fails to pre-clean organic matter that can neutralize the disinfectantEffective disinfection requires pre-cleaning to remove organic debris, then full immersion or wet contact for the label-specified dwell time; a single wipe rarely achieves either requirement.
Keep practising. Use the free Barber License PDF, watch the YouTube walkthrough, or unlock all 10 web questions with timed mock exams.
Free practice here. Timed mocks when you are ready.
Study the Barber License Prep & Test free question explanations, download the PDF, then unlock timed mock exams on the web when you want exam-day practice.