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PTECH Pharmaceutics II (Industrial & Quality Control) QUESTION #5702
Question 1
Which ingredient is commonly used as a 'Preservative' in ophthalmic drops?
  • Sodium Chloride
  • Benzalkonium Chloride✔️
  • Hydroxypropyl Methylcellulose
  • Atropine Sulfate
Correct Answer Explanation
Benzalkonium Chloride (BKC) is a widely used antimicrobial preservative in eye drops.