<prompt> A 35-year-old man is admitted after severing his arm on industrial machinery. His airway is patent and there is no identifiable hindrance to breathing. Hispulse is 110 beatsmin, blood pressure is 130105 mmHg, and respiratory rate is 25 breathsmin. Which stage of shock is this patient in?Class IClass IIClass IIIClass IV  <response>: The following table illustrates the clinical signs of the different stages of hypovolaemic shock. Class I Class II Class III Class IV Percent blood loss Up to 15 15-30 30-40 40 Pulse rate 100 100 120 140 Blood pressure Normal Normal Pulse pressure Normal Respiratory rate 14-20 20-30 30-40 35 Urine output mLh 30 20-30 5-15 5 Mental status Slight anxiety Mild anxiety Anxious, confused Confused 