A 30-year-old woman is brought to the emergency department w…

A 30-year-old woman is brought to the emergency department with signs of morphine overdose. Talking to her friend, you discover that she had self-administered morphine 6 h ago. You order a blood analysis which reveals the morphine blood level to be 0.25 mg/L. Assuming that the Vdof morphine in this patient is 250 L and the half-life is 3 h, how much morphine did she inject 6 h earlier?