Answer: c. Educating patients about potential side effects of medications. Explanation: Patient education about potential side effects of medications promotes awareness and helps patients recognize and report any adverse effects that may contribute to falls.

Incorrect choices: a. Administering medications with a large glass of water may facilitate swallowing but does not specifically address fall prevention related to medication side effects. 

b. Patients should follow healthcare provider instructions for medication administration to ensure accurate and safe dosing. Self-administration should be assessed based on the patient's capability. 

d. Mixing multiple medications in a single dose may compromise medication effectiveness and increase the risk of medication errors, but it does not directly address fall prevention related to medication side effects.