Answer: D. Homans sign
Step-by-step explanation:
Check for the severity of the swelling, monitor the flow of blood to the tissue, pulses equality, check for homans sign such as pain in the leg around the calve, the calve is meant to be of equal size and warmth. There should not be any reddish colouration or pains around the calve when there is ankle movement as this shows a negative sign of homans.