Which of the following agents are used as a preservative in ophthalmic solutions? Options: A . &nbspalcohol B . &nbspquaternary ammonium salts C . &nbspphenol D . &nbspaldehydes

Which of the following agents are used as a preservative in ophthalmic solutions

Question

Which of the following agents are used as a preservative in ophthalmic solutions?

Options:

A . alcohol

B . quaternary ammonium salts

C . phenol

D . aldehydes

Answer: Option B
Answer: (b).quaternary ammonium salts

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