In the ATLS primary survey, what does Disability assessment involve?

• A. Assessment of cognitive function over hours.
• B. Assessment of blood pressure and pulse oximetry alone.
• C. Neurologic status using the Glasgow Coma Scale, pupillary response, and focal neurological deficits.
• D. Assessment of limb strength and sensory function only.

Answer: (C)

Disability in the ATLS primary survey is the rapid neurological check used to gauge brain function and identify potential life‑threatening intracranial problems. It centers on three practical elements: the Glasgow Coma Scale to quantify level of consciousness, assessment of pupil size and reactivity to light, and a quick look for focal neurological deficits such as weakness, asymmetry, or new cranial nerve signs. This combination gives a concise picture of the patient’s neurologic status and helps guide immediate actions like airway protection, need for imaging, and spinal precautions. The other aspects described are either too broad, too slow, or too limited to capture neurologic status in the time-critical initial assessment.