The Prosthetic Knee Unit Has the Following Repair List to Be

The prosthetic knee unit has the following repair list to be done: tighten friction mechanism,replace extension bumper,tighten or replace the extension strap,and repair piston.What ambulation knee problems,in order,would be noted prior to the repairs?

A) Slowed extension,knee hyperextension,slow extension at end of swing,noise
B) Abrupt extension,knee hyperextension,slow extension at end of swing,noise
C) Slowed extension,excess knee flexion,abrupt extension,hydraulic fluid leak
D) Abrupt extension,excess knee flexion,abrupt extension,hydraulic fluid leak