This article presents a medical quiz question, specifically concerning fluid resuscitation in a patient in shock. The scenario describes a situation where a patient remains in shock even after initial fluid resuscitation. The quiz asks what a clinician should assess before administering an additional dose of intravenous fluids. Among the offered options are central venous pressure, fluid responsiveness, serum lactate normalization, or the possibility that no assessment is needed. The article invites readers to return on Friday for the correct answer. This is the second quiz in a series, identified as CD.