Mr. yeung, a recent immigrant from china, has been admitted to the observation unit for investigation of unspecified physical malaise. his family tells the nurse that mr. yeung began to exhibit certain behaviours when his import business declined and his creditors demanded money. he has subsequently made vague physical complaints for the past six weeks. which patient behaviour would alert the nurse to the potential for somatization?
1. the patient states, “i am so sad that i don't know what to do.”
2. the patient shows the nurse bottles of medication used to treat anxiety.
3. the patient presents with concerns involving back pain, dizziness, and fatigue.
4. the patient states, “my doctor diagnosed me with bipolar disorder.”

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?