Which of the following is a physical sign of a head, neck, or spinal injury?

Severe pain or pressure is indeed a physical sign that could indicate a head, neck, or spinal injury. Such injuries often lead to significant discomfort in the affected areas because they may involve damage to the tissues, nerves, or structures that are sensitive to pain. This type of pain is usually localized where the injury has occurred and can be sharp or throbbing, serving as a crucial indicator of a potential serious condition.

While weakness or tingling, dizziness and loss of balance, and changes in behavior can all be associated with head injuries or conditions affecting the nervous system, they often reflect functional or neurological effects rather than direct physical manifestations of injury. Unlike severe pain or pressure, which points to damage or stress in those areas, the other symptoms may arise from complications following an injury or from other medical conditions. Recognizing severe pain or pressure immediately can lead to quicker action and appropriate care to prevent further injury.