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Your patient answers your questions appropriately, although her eyes remain closed the entire time. She moves each extremity on command, although her left side is weaker than the right. You should assign a Glasgow Coma Scale (GCS) score of:

  1. 12

  2. 13

  3. 14

  4. 15

The correct answer is: 12

This is because a GCS score of 15 indicates the patient is fully conscious and able to respond spontaneously. A score of 14 indicates a minor alteration in consciousness, which is not the case. A score of 13 indicates a moderate alteration in consciousness, which is also not applicable as the patient is able to respond appropriately. A score of 12 is assigned because the patient is able to follow commands, but has decreased strength on one side, indicating a mild impairment in motor function. This aligns with a GCS score of 12, which is classified as a moderate brain injury.