<prompt> Burns grading - Grade 2 indicates involvement of:EpidermisDermisSubcutaneous tissueDeep fascia  <response>: Ref: Sabiston Textbook of Surgery. 19th Edition, Pg: 522.Explanation:Depths of burn injury First degree--injury localized to the epidermisSuperficial second degree--injury to the epidermis and superficial dermisDeep second degree--injury through the epidermis and deep into the dermisThird degree--full-thickness injury through the epidermis and dermis into subcutaneous fatFourth degree--injury through the skin and subcutaneous fat into underlying muscle or boneRule of ninesEach upper limb 9 Total body surface area TBS AEach lower limb 18 TBS AThe torso 18 TBS A each side anterior and posteriorThe head and neck 9 TBS AGenitalia l TBSAParklands FormulaTotal percentage body surface area x weight kg x 4 volume mlHalf this volume is given in the first 8 hoursSecond half is given in the next 16 hoursFigure: Rule of Nines in Adults 