What characterizes septic shock?

• A. High blood pressure
• B. Inflammatory response to toxins
• C. Low metabolic rate
• D. Elevated temperature without infection

Answer: (B)

Septic shock is primarily characterized by an inflammatory response to toxins, which is directly linked to severe infections. In this condition, the body's immune system reacts to the presence of pathogens such as bacteria, leading to the release of various inflammatory mediators. These mediators cause widespread vasodilation, increased permeability of blood vessels, and ultimately can result in multi-organ dysfunction and shock.

The intense inflammatory response results in significant changes in blood flow and pressure, often resulting in hypotension rather than high blood pressure. The metabolic rate is generally elevated due to the body's heightened efforts to combat the infection, contrary to what would be expected in a scenario characterized by a low metabolic rate. Lastly, a fever typically occurs in septic shock as a response to infection, so elevated temperature without infection would not be characteristic of this condition. Thus, the inflammatory response to toxins is central to understanding septic shock and its effects on the body.