Trauma Nurse Core Course (TNCC) Practice Exam

Which of the following is a component of the trauma triad of death?

1. Acidosis

2. Hyperthermia

3. Hemorrhage

4. Sepsis

The correct answer is: Acidosis

Acidosis is indeed a key component of the trauma triad of death. This triad is a critical concept in trauma care, consisting of three interrelated physiological derangements that can occur in patients with severe trauma. The first component is acidosis, which is characterized by an imbalance in the body's acid-base status, often resulting from tissue hypoxia and the accumulation of lactic acid due to inadequate oxygen delivery. This condition can lead to impaired cellular function and may contribute to the other components of the triad, such as coagulopathy and hypothermia. When acidosis is present, it can exacerbate bleeding and hinder the body’s ability to clot, making the patient more vulnerable to further complications. The importance of recognizing and addressing acidosis lies in the fact that it can initiate a vicious cycle of metabolic derangement, leading to increased mortality if not identified and treated promptly. Therefore, understanding the significance of acidosis in the setting of traumatic injuries is crucial for trauma nurses and healthcare providers in delivering effective and timely care to patients in critical condition.