High level disinfectant is: (A) Isopropylalchol, (B) Phenol, (C) Benzalkonium chloride, (D) Chlorine
Answer is D. Low – Level distinfectant – Benzalkonium chloride
Intermediate – Level distinfectant – Isopropylalchol,phenol
High – Level disinfectant – Gluteraldelyde, formaldehyde, H2O2, Chlorine