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What could indicate a change in level of consciousness after a head injury?

  1. A sudden severe headache

  2. A slow strong pulse rate

  3. Deterioration in the level of response

  4. Cool skin temperature

The correct answer is: Deterioration in the level of response

A deterioration in the level of response is a significant indicator of a change in level of consciousness following a head injury. This can manifest as a decreased ability to obey commands, reduced alertness, or an inability to maintain eye contact. Such changes often suggest that the brain may be experiencing swelling, bleeding, or other forms of trauma that impair its function. The level of consciousness is assessed based on a person's responsiveness to stimuli, and any decline can indicate a serious problem that may require immediate medical attention. Monitoring the patient's responses allows healthcare providers to evaluate the severity of the injury and make informed decisions regarding treatment.