Final answer:
Nonpharmacological pain management in this scenario is best achieved by applying ice to the affected area, which is a common method to reduce pain and swelling temporarily.
Step-by-step explanation:
The question addresses the nonpharmacological pain management practices a nurse can employ while waiting to perform x-rays on an injured right hand. Nonpharmacological pain management includes a variety of techniques that do not involve medications to alleviate pain. In this context, the correct answer would be: C. Applies ice to the right elbow. Icing is a common nonpharmacological method that can help reduce pain and swelling in the affected area. This method is consistent with clinical practice and advice often given by healthcare professionals for managing tendinitis and similar injuries. It can serve as a temporary measure until further medical treatment is provided. Frequent pain assessment is important but does not necessarily modulate pain. Administering a placebo without a patient's consent is unethical, and turning off the light and closing the door, while it may create a calming environment, does not directly modulate pain in the injured hand.