A nurse is assessing a client who reports numbness and pain in his right palm, index finger, and middle finger. The client reports working with a keyboard most of the time while at work. The nurse suspects carpal tunnel syndrome. Which of the following tests should the nurse request that the client perform?

B Flex the right arm at the elbow. C Hold the right arm straight. A Hold the wrist at a 90-degree flexion. D Extend the right arm upward.