Answer:
C) agitation irritability or restlessness
Explanation:
Its a symptom of any number of things; Pericardial Tamponades (fluid buildup of sac surrounding heart), a heart contusion, a dysrhytmia like Ventricular Fibrillation or Ventricular Tachycardia...
It would be best for him to keep the cut part of his leg off the ground. So he might want to sit and use your other knee to support your leg up off the ground. Hope this helps! Also please give brainliest!