Which Assessment Question Is Most Important for the Nurse to Ask

Which assessment question is most important for the nurse to ask a patient who is prescribed clonazepam (Klonopin) before administering the first dose?

A) "Do you smoke cigarettes?"
B) "How many seizures do you have daily?"
C) "Have you ever had high blood pressure?"
D) "Do you currently have an open sore or signs of an infection?"