Antibiotic use in food-animal production is a controversial issue in the us, where food animal producers and drug companies often argue that the risk to human health is minimized when animal-only antibiotics, such as ceftiofur and tylosin, are used on the farm. explain why this approach is not necessarily protective against the emergence of bacteria resistant to antibiotics used in human medicine. 2. how might low-level antibiotic

Ahealthy 26-year-old woman sustained a significant crush injury to her right upper extremity while on the job at a local construction site. she was brought to the emergency department and subsequently underwent pinning and reconstructive surgery and received perioperative broad-spectrum antibiotics. her blood pressure remained normal throughout her hospital course. on the second hospital day, a medical consultant noted a marked increase in her creatinine, from 0.8 to 1.9 mg/dl. her urine output dropped to 20 ml/h. serum creatine kinase was ordered and reported as 3400 units/l. questions what are the primary causes of this patient’s acute kidney injury? how should her kidney injury be categorized (as prerenal, intrarenal, or postrenal)? how should she be treated?