The Nurse Has Been Teaching a Class on Dysrhythmias to a Group

The nurse has been teaching a class on dysrhythmias to a group of clients with this disorder. The nurse determines that teaching has been effective when a client makes which statement?

A) "Our sodium, potassium, and calcium levels must be okay for our hearts to have an electrical impulse."
B) "Enhancing potassium and sodium is how our medications will work to prevent dysrhythmias."
C) "Potassium is the most important electrolyte when it comes to the electrical impulse in our hearts."
D) "Our sodium, potassium, and magnesium levels must be okay for our hearts to have an electrical impulse."