<prompt> First to be substituted in a patient presenting with acute hemorrhagic shock-CrystalloidColloidWhole bloodPRBC  <response>: Ans. is a i.e., Crystalloid o The priorities in patients with hemorrhagic shock are - Secure the airway Control the source of blood loss. IV volume resuscitation. o Fluid resuscitation is a major adjunct to physically controlling hemorrhage. Crystalloids are the mainstay of fluid choice. 