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We are happy to help with homework but we ask that you tell us what you think first. What class is this for? What semester are you? What part of the upper or lower part of the body usually you state hand finger...toe....etc.
I'm not sure I understand what you mean. Are you not clear on the abbreviationS for upper extremity (UE) and lower extremity (LE)? Is there something else related to capillary refill? I've never heard of one specifically for that..and it's always acceptable to use real words anyway.