This is 3 separate assignment each one is  minimum of 250 words with at least 2 peer review reference in 6th edition apa style. Explain the concept of azotemia (including prerenal, renal, and postrenal), causes, and diagnostic measures used to identify each. Explain the pathophysiological differences between prerenal, intrarenal, and postrenal failure? Provide at least two examples of each scenario. Spinal cord injuries carry a high risk of neurogenic bladder and reflex incontinence.  Explain the mechanisms responsible for these disorders.