Interpret the following acid-base imbalances.
a. ph - 7.50; paco2 - 30 mm hg; hco3 - 24 meq/l
b. ph - 7.62; paco2 - 48mm hg; hco3 - 45meq/l
c. ph - 7.22; paco2 - 28mm hg; hco3 - 16 meq/l
d. ph - 7.44; paco2 - 54 mm hg; hco3 - 36 meq/l
e. ph - 7.26; paco2 - 56 mm hg; hco3 - 24 meq/l
f. ph - 7.35; paco2 - 56 mm hg; hco3 - 36 meq/l

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?