KVV E-Modules

Which of the following solutions is considered isotonic with body fluids?

A: 0.45% Sodium Chloride B: 5% Dextrose C: 10% Dextrose D: Pure Water

What is the primary reason for using isotonic solutions in ophthalmic preparations?

A: To improve solubility B: To enhance color and appearance C: To prevent stinging and corneal damage D: To increase viscosity

Which of the following agents is commonly used to adjust tonicity in both ophthalmic and parenteral formulations?

A: Benzalkonium chloride B: Boric acid C: Sodium chloride D: Citric acid

What is the typical osmolarity range for an isotonic solution?

A: 100–200 mOsm/L B: 250–270 mOsm/L C: 290–310 mOsm/L D: 320–350 mOsm/L

Which of the following best describes the effect of a hypertonic solution on cells?

A: Causes cells to swell and burst B: No effect on cell volume C: Causes cells to shrink due to water efflux D: Enhances cellular permeability