Which client is noted to have unstable vital signs with a blood pressure of 70/40 mm Hg?

In a clinical context, unstable vital signs, particularly a blood pressure reading of 70/40 mm Hg, indicate severe hypotension, which is concerning and suggests inadequate perfusion to vital organs. This condition can arise from various causes, such as shock, severe dehydration, or significant blood loss, and requires immediate medical attention.

When considering the scenario presented, the individual identified in the correct answer not only demonstrates these unstable vital signs but also signals the urgency and potential severity of their condition. A blood pressure of 70/40 is indicative of a state of shock, necessitating rapid evaluation and possibly initiation of treatment such as fluid resuscitation, administration of vasopressors, or addressing the underlying cause of the hypotension.

The other clients mentioned may not have displayed this level of critical instability in their vital signs or may have had blood pressure readings that are within a more stable range, thereby not urgently requiring the same level of medical intervention. The distinction of unstable vital signs in this case is crucial for triage and deciding the immediate care pathway.