What physical examination findings are consistent with the patient's presentation?
1) Unsteady gait, bilateral leg weakness, increased deep-tendon reflexes, decreased pinprick
2) Steady gait, unilateral leg weakness, decreased deep-tendon reflexes, increased pinprick
3) Unsteady gait, unilateral leg weakness, increased deep-tendon reflexes, decreased pinprick
4) Steady gait, bilateral leg weakness, decreased deep-tendon reflexes, increased pinprick
