17-year-old boy is brought to the emergency department after being injured in an automobile accident and sustaining significant blood loss. His blood pressure had dropped significantly. He is found to...

Extracted text: 17-year-old boy is brought to the emergency department after being injured in an automobile accident and sustaining significant blood loss. His blood pressure had dropped significantly. He is found to have a very concentrated urine of little quantity. He is given a transfusion of 3 units of blood to stabilize his blood pressure. a. Provide a physiological explanation why his blood pressure dropped b. Explain how the transfusion is able to restore his blood pressure back to normal c. Provide a physiological explanation for the formation of concentrated urine in this patient