A nurse is reviewing the orders of a patient who presented to the emergency department with symptoms of a stroke and notes a toxicology screening has been ordered. Which is the most likely rationale for this test?

The nurse is evaluating the arterial blood gas results of the patient on hospice with the following respiratory pattern: The patient’s PaCO₂ is 62 mm Hg, which is 20 mm Hg higher than the previous ABG. The nurse understands the patient’s blood gas was drawn at which period in the patient’s respiratory cycle?

The pregnant patient has experienced preterm premature rupture of membranes (PPROM) at 32 weeks. The patient is not in active labor. The nurse is aware this patient is most at risk for which complication?