Final answer:
The nurse's priority is to ask about any recent changes in the client's vision.
Step-by-step explanation:
The nurse's priority action in this situation is to c) Ask about any recent changes in the client's vision. The client's statement about experiencing blurry vision before crashing their car raises concerns about a potential underlying health issue that may have contributed to the fall and fractured wrist. Assessing the client's vision changes will help determine if further medical intervention or referrals are necessary.