Emergency Medical Technician (EMT) Basic Certification Practice Exam

What is a typical sign of closed head injury treatment?

1. Monitoring heart rhythm closely

2. Active physical therapy

3. Oxygen therapy

4. Immediate intubation

The correct answer is: Oxygen therapy

A typical sign of closed head injury treatment is oxygen therapy. Closed head injuries can result in swelling and increased pressure within the skull, which may compromise the brain's oxygen supply. Providing supplemental oxygen helps ensure that the brain receives adequate oxygen, which is critical for cellular function and survival, especially in the context of potential hypoxia that can occur with these types of injuries. In cases of closed head injuries, maintaining adequate oxygen levels is essential. This is because the patient's respiratory status may be affected due to decreased consciousness or neurological compromise. In such situations, administering oxygen can help to prevent further complications related to inadequate oxygenation. While monitoring heart rhythm, active physical therapy, and immediate intubation could be important in certain circumstances related to head injuries, they are not typical initial signs of treatment for a closed head injury specifically focused on ensuring oxygen delivery to the brain. Each of those choices may have their appropriate context but is less relevant as a direct response to the needs of a patient with a closed head injury where oxygenation is a primary concern.