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Ophthalmic Preparations and Osmolality

9 Questions

2 Views

Ophthalmic Preparations and Osmolality

Created by

@FestiveObsidian

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Questions and Answers

Which of the following can help prevent irritation and improve effectiveness of ophthalmic preparations?

Using hypertonic solutions

Matching the properties of natural lacrimal fluids (correct)

Using solutions with high sodium chloride concentration

Using hypotonic solutions

What is the role of osmotic pressure in the eye?

Improving the effectiveness of ophthalmic solutions

Dehydrating the cornea

Causing corneal edema

Regulating the salt concentration in lacrimal fluids (correct)

Which type of solution can lead to water influx and corneal edema?

Hypertonic solutions

Isotonic solutions

Hypotonic solutions (correct)

Solutions with high sodium chloride concentration

What is the recommended sodium chloride concentration in ophthalmic solutions?

<p>0.6% to 1.3%</p> Signup and view all the answers

Which substance can be used as a tonicity agent in ophthalmic solutions?

<p>Sodium chloride</p> Signup and view all the answers

Which of the following solvents is commonly used in otic solutions?

<p>Water</p> Signup and view all the answers

What is the purpose of using polymers in aqueous solutions?

<p>To increase viscosity</p> Signup and view all the answers

Why are nonaqueous solutions preferred for earwax removal?

<p>They dissolve earwax more effectively</p> Signup and view all the answers

Do otic solutions need to be isotonic?

<p>No, they don't need to be isotonic</p> Signup and view all the answers

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