Which of the following is a sign of shock that might accompany internal bleeding?

Low blood pressure is a key sign of shock that can occur due to internal bleeding. When internal bleeding occurs, the body loses significant amounts of blood, leading to a decrease in the volume of circulating blood. This reduction in blood volume typically results in lower blood pressure as the heart struggles to pump an adequate amount of blood to the organs and tissues. This physiological response can lead to the body not receiving enough oxygen, which can further exacerbate the state of shock.

The other options, such as increased appetite, fever, and dermatitis, do not relate directly to the physiological state of shock from internal bleeding. Increased appetite is generally not a symptom of shock, as the body's focus shifts to responding to the shock rather than processing food. Fever can sometimes be present in infections or other conditions, but it is not a classic sign of shock. Dermatitis also does not connect to shock and internal bleeding, as it pertains more to skin reactions rather than systemic circulation issues. Understanding these distinctions helps in identifying shock and its related symptoms in clinical settings.