The number of electrons in the nucleus of an element determines its atomic number

Shortly after returning home, a mother calls to report that her child has bitten his lower lip causing redness and swelling. What is the appropriate treatment?

A) Return to the office immediately for evaluation B) Apply benzocaine topical to reduce pain C) Apply a cold pack to reduce swelling D) Apply heat to increase circulation, and to reduce swelling and pain

Which of the following drugs are class III antiarrhythmic agents (potassium channel blockers)?

A) lidocaine and phenytoin B) atenolol and nadolol C) amiodarone and bretylium D) verapamil and digoxin