The Nurse Suspects That a Patient Has Carpal Tunnel Syndrome

The nurse suspects that a patient has carpal tunnel syndrome and wants to perform the Phalen's test.To perform this test,the nurse should instruct the patient to:

A) dorsiflex the foot.
B) plantarflex the foot.
C) hold both hands back to back while flexing the wrists 90 degrees for 60 seconds.
D) hyperextend the wrists with the palmar surface of both hands touching and wait for 60 seconds.