While Assessing a Client with Graves' Disease,the Nurse Notes That

While assessing a client with Graves' disease,the nurse notes that the client's temperature has risen 1° F.Which action should the nurse take first?

A) Turn the lights down and shut the client's door.
B) Call for an immediate electrocardiogram (ECG) .
C) Calculate the client's apical-radial pulse deficit.
D) Administer a dose of acetaminophen (Tylenol) .