Final answer:
The nurse should hold the walker securely to prevent slipping when the client rises. This ensures the client's safety and promotes stability, which is crucial for maintaining independence and preventing further injury.
Step-by-step explanation:
The subject of this question is related to the appropriate nursing intervention for an older client with unilateral weakness who is using a walker to rise to a standing position. When observing a client using a walker for support, the nurse should ensure safety and promote independence. Therefore, the correct action for the nurse to take is a. Hold the walker securely to prevent slipping when the client rises. This intervention enhances the client's safety by preventing the walker from slipping, which could lead to falls and further injury. The nurse should also ensure that the client's feet are spread apart to give a larger base of support, as this will increase stability. Instructing the client on how to use their body mechanics effectively when rising with the walker can also be beneficial.