Florida State Paramedic Practice Exam

What is one of the first signs of hypovolemic shock?

1. Altered mental status

2. Tachycardia

3. Hypotension

4. Respiratory distress

The correct answer is: Tachycardia

Tachycardia is indeed one of the first signs of hypovolemic shock because the body attempts to compensate for the reduced blood volume and maintain adequate perfusion to vital organs. When there is a significant loss of blood volume due to conditions such as hemorrhage or severe dehydration, the heart rate increases in an effort to circulate the remaining blood more effectively. This compensatory mechanism ensures that oxygen and nutrients continue to reach tissues while metabolic waste is removed. In the context of hypovolemic shock, other signs may develop as the condition progresses. Altered mental status can occur due to decreased perfusion to the brain, while hypotension typically develops later as the compensatory mechanisms become overwhelmed. Respiratory distress may also arise, often as a consequence of the body's response to declining oxygen delivery; however, it is not usually the earliest indicator. Understanding these stages helps in the rapid assessment and intervention critical for patient outcomes in cases of shock.