Emergency Medical Technician (EMT) Trauma Practice Test

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Patients with significant closed head injuries often have pupillary abnormalities and:

  1. Hypertension

  2. Paralysis

  3. Paresthesia

  4. Tachycardia

The correct answer is: Hypertension

Patients with significant closed head injuries often have pupillary abnormalities and hypertension. Elevated blood pressure can be a compensatory mechanism in response to increased intracranial pressure resulting from the head injury. This physiological response helps to maintain cerebral perfusion pressure. This is why option A is the correct answer. Options B, C, and D are incorrect in this context because paralysis, paresthesia, and tachycardia are not typically associated specifically with closed head injuries.

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