What are the signs indicative of sepsis in a patient?

The signs indicative of sepsis, as presented in the correct answer, encompass a range of physiological and mental status changes that reflect the body's systemic response to infection. Fever can indicate the body’s attempt to fight off an infection, while hypothermia can occur in severe cases of sepsis due to impaired thermoregulation. Tachycardia is a compensatory response to ensure adequate blood flow despite a potentially compromised circulatory system, and hypotension signifies that the body is struggling to maintain blood pressure, which can lead to inadequate perfusion of vital organs. Altered mental status is also a critical warning sign, as it may reflect decreased oxygen delivery to the brain or an inflammatory response affecting neural function.

The other options do not encompass the full clinical picture of sepsis. For example, while dehydration and confusion might suggest an underlying issue, they are not specific to sepsis. Increased blood pressure is typically not associated with sepsis, especially in its later stages, and can be misleading. The signs in the fourth option, such as pale skin and cold extremities, could suggest shock but do not specifically indicate sepsis without other accompanying symptoms. Understanding these distinctions is key for accurate assessment and timely intervention in suspected sepsis cases.