The nurse in the trauma unit has received a report on a client who has multiple injuries as a result of a motor vehicle crash. Which action should the nurse plan to take first?

A. In a trauma situation, airway, breathing, and circulation (ABCs) are the top priority. Evaluating chest expansion assesses the client’s ability to breathe and maintain oxygenation, making it the first action. B. Checking the client's orientation is important but secondary to assessing breathing. C. Pupillary response is an assessment that is important but comes after ensuring the client is breathing adequately. D. Capillary refill are assessments that are important but come after ensuring the client is breathing adequately.