PEBC EE Practice Questions #16
Question 1Polysorbate 80 is commonly used in eye drop formulations. What is its primary function in these formulations? A) PreservativeB) EmulsifierC) LubricantD) AntioxidantE) pH stabilizer Correct Answer: C) LubricantExplanation: Polysorbate 80 is a non-ionic surfactant used as a lubricant in eye drops to improve the comfort and effectiveness of the formulation. Question 2Hepatitis A is … Read more