A nurse is working in a long-term care facility and notices…

A nurse is working in a long-term care facility and notices changes in a 76-year-old client.  The nurse suspects the client is having an acute stroke.  New data: The nurse, who noticed the sudden onset of symptoms (from the previous question) calls 911.  EMS arrives and transports the client to the emergency department (ED).  Based on the client’s symptoms of an acute stroke, which diagnostic test will be performed upon arrival to the Emergency Department?