California Registered Dental Assistant (RDA) Written Practice Exam

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Isopropyl alcohol performs best as a(n)

disinfectant
sterilizing agent
antiseptic
cleaning agent

The correct answer is: antiseptic

Isopropyl alcohol performs best as an antiseptic, meaning it can be used to inhibit the growth of microorganisms on living tissues. While it is sometimes used as a disinfectant, this is not its most effective use as it can be harsh on certain surfaces. Similarly, it is not typically used as a sterilizing agent, which is a stronger method of killing all microorganisms. It can also be used as a cleaning agent, but again, this is not its most effective use as it may not completely remove all dirt and grime.