Moderate

Glutaraldehyde is preferred more than formaldehyde because______________?

Correct answer: C. It has got no deleterious effect on the cement and lenses of instruments

  • A. It has got more bactericidal activity
  • B. It has got more bacteriostatic activity
  • C. It has got no deleterious effect on the cement and lenses of instruments
  • D. Its application is easier

Explanation

Glutaraldehyde is preferred because it is less damaging to instrument cement, lenses and delicate materials while still providing high-level disinfection. Its main advantage here is material compatibility rather than merely bacteriostasis.

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