NMS Diagnosis I Palmer Exam 3 Practice Test

What is a key risk associated with second impact syndrome?

It can be fatal if a second concussion occurs before full recovery from the first It is unrelated to head injury It always resolves without any risk It only causes temporary dizziness

Correct Answer:

It can be fatal if a second concussion occurs before full recovery from the first

Explanation:

Second impact syndrome centers on the danger of a second concussion occurring before the brain has fully recovered from the first. When that recovery window is not complete, a new head hit can cause rapid brain swelling, rising intracranial pressure, and potential brain herniation, which can be fatal. This fatal risk is what makes SIS the critical concern in head injury management. The other ideas don’t fit: SIS is directly related to a head injury and its recovery state, it does not always resolve without serious risk, and it isn’t limited to temporary dizziness.

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