Patient Data Exhibits Which laboratory test(s) would be helpful in determining the plan of care (POC) for this client? Select all that apply.

A. Complete blood count: A CBC is essential to evaluate hemoglobin and hematocrit levels, which can indicate the severity of blood loss from abdominal trauma. It also helps monitor for anemia or infection risk in this critical setting. B. Arterial blood gas: An ABG provides information about oxygenation, ventilation, and acid–base balance, which are crucial for a trauma client on mechanical ventilation. It guides adjustments in ventilator settings and assesses for shock-related metabolic acidosis. C. Type and screen: Given the evidence of internal bleeding and hypotension, a blood transfusion may be necessary. A type and screen ensures blood products can be matched and made available quickly in case of massive transfusion. D. Coagulation studies: Trauma and massive transfusion can lead to coagulopathy. PT, INR, and aPTT results help guide interventions such as plasma or platelet administration, ensuring proper clotting function during surgery and recovery. E. Electrolytes: Monitoring electrolytes is important because fluid resuscitation, blood loss, and shock can cause significant imbalances, such as hypokalemia or metabolic derangements, which can complicate management. F. Blood culture: Blood cultures are obtained when infection or sepsis is suspected. This client’s presentation is acute trauma-related hemorrhage, not infection, so this test is not immediately useful. G. Urine osmolality: This test is used to evaluate renal concentrating ability and fluid balance, but it is not a priority in acute trauma. Immediate fluid and blood replacement are the focus. H. Lipid panel: A lipid panel assesses long-term cardiovascular risk, not acute trauma or hemorrhage. It has no role in the immediate plan of care for this client.