(Hypertension) high blood presure
I believe the answer will be D)
The physical agents that will be required to counteract the pain and discomfort of Mr. Khan after performing his knee strengthening exercises are magnetotherapy for the strengthening of the cruciate and lateral ligaments and the littleisks of the knee, as well as electrotherapy for the Muscle stimulation of the area, in order to reinforce the tendon and muscle support of the same.