This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Blood, Subject name: Pathology
[{'content': 'Blood loss in class III hemorrhagic shock - \nSelect and explain. \nA. <750 ml, B. 750-1500 ml, C. 1500-2000 ml, D. >2000 ml', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., 1500-2000 ml IndicatorClass IClass IIClass IIIClass IVBlood loss (% of blood volume)Less than 15%15-30%30-40%Greater than 40%Blood-loss (mL)Less than 750 ml750-1500 mL1500-2000 mLGreater than 2000 mLHeart rate/minLess than 100Greater than 100Greater than 120140 or greaterBlood pressureNormalNormalDecreasedDecreasedPulse pressureWidened or normalNarrowedNarrowedNarrowedCapillary retillNormalDelayedDelayedDelayed or absentVentilatory rate/min14-2020-3030-40reater than 35Urine output (mL/hr)30 or greater20-30Less than 20NegligibleSkin appearanceCool, pinkCool, paleCold moist, paleCold clammy, cyanoticNeurologic statusSlightly anxiousMildly anxiousAnxious, confusedConfused lethargy", 'role': 'assistant'}]