Q.

Regarding antiseptic agents – all of the following are true EXCEPT

A. Sodium hypochlorite is an effective antiseptic for intact skin
B. Potassium permanganase is an effective bactericidal agent
C. Formaldehyde may be used to disinfect instruments
D. Chlorhexidine is active against gram positive cocci
E. Ethanol is an effective skin antiseptic because it denatures microbial proteins
Answer» A. Sodium hypochlorite is an effective antiseptic for intact skin
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