The Nurse Is Reviewing the Classes of Antidysrhythmic Drugs

question 4

Multiple Choice

The nurse is reviewing the classes of antidysrhythmic drugs. Amiodarone (Cordarone) is classified on the Vaughan Williams classification as a class III drug, which means it works by which mechanism of action?

• A) Blocking slow calcium channels
• B) Prolonging action potential duration
• C) Blocking sodium channels and affecting phase 0
• D) Decreasing spontaneous depolarization and affecting phase 4

---

Definitions:

Years

Units of time that represent the period it takes for the Earth to complete one orbit around the Sun, roughly 365 days.

Transition To Parenthood

The period of adjustment and adaptation that individuals and couples go through as they become parents for the first time.

Challenging

Something that demands skill, effort, or perseverance to overcome, often leading to personal growth or improvement.

Worth It

A subjective evaluation indicating that something is considered valuable or beneficial enough to justify the effort or cost involved.