Which of the following is a symptom of shock?

The presence of confusion or loss of awareness as a symptom of shock can be attributed to several physiological changes that occur in the body during this critical state. Shock is a condition resulting from insufficient blood flow to the organs, leading to a lack of oxygen and nutrients. This deprivation can impact brain function, resulting in confusion or a diminished level of consciousness.

As the body struggles to maintain adequate circulation and supply vital organs—including the brain—symptoms such as confusion can emerge. Additionally, when blood flow is compromised, mental processing may slow down, making it difficult for a person to think clearly or respond appropriately to stimuli. Therefore, confusion or loss of awareness is a key indicator of shock and signifies that the body's homeostasis is severely disrupted.

In contrast, elevated body temperature, increased appetite, and cheerfulness do not align with the physiological responses expected during shock. Typically, individuals experiencing shock may exhibit lower body temperature due to compromised circulation, and their appetite would likely decrease as energy reserves deplete. Cheerfulness is also uncommon, as the body's stress response during shock often diminishes mood and cognitive function.