The Vaughan Williams Classification Categorizes Amiodarone as a Class III

question 7

Multiple Choice

The Vaughan Williams classification categorizes amiodarone as a Class III drug.How does this drug work?

• A)By blocking slow calcium channels
• B)By prolonging action potential duration
• C)By blocking sodium channels and affecting phase 0
• D)By decreasing spontaneous depolarization and affecting phase 4

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