North Carolina EMT State Practice Exam

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Prepare for the North Carolina EMT State Exam with interactive quizzes and comprehensive explanations. Master your skills and gain confidence by reviewing key topics before test day!

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What percentage of circulating blood volume loss characterizes a Class III hemorrhage?

10-20%
20-30%
30-40%
40-50%

The correct answer is: 30-40%

Class III hemorrhage is characterized by a loss of 30-40% of circulating blood volume. At this level of blood loss, a patient exhibits significant physiological symptoms, including increased heart rate, decreased blood pressure, and signs of shock. The body responds to this substantial loss of fluid by activating compensatory mechanisms, such as increasing heart rate and constricting blood vessels to maintain blood flow to vital organs. Understanding the classification of hemorrhages is crucial for EMTs and healthcare providers, as it guides the urgency and type of treatment necessary. Recognizing the symptoms and severity helps in understanding when to initiate rapid fluid replacement and other interventions to stabilize the patient. Identifying a Class III hemorrhage as a loss of 30-40% of blood volume ensures that the appropriate steps are taken to manage such critical situations effectively.