A New Antiarrhythmic Medication (Drug A) Is Tested in a Series

question 108

Multiple Choice

A new antiarrhythmic medication (drug A) is tested in a series of experiments that measure the flow of ions responsible for producing an action potential in cardiac muscle cells.  Ion flow is measured before and after the drug is administered, and the results are shown in the chart below (each colored line represents a different type of ion) . Drug A has an antiarrhythmic effect most similar to which of the following drugs?

• A)Adenosine
• B)Digoxin
• C)Dofetilide
• D)Esmolol
• E)Flecainide
• F)Lidocaine
• G)Quinidine
• H)Verapamil

---

Definitions:

Constant Rate

A fixed rate at which something occurs or is applied.

Term Papers

Research papers written by students over an academic term, accounting for a large part of a grade.

Specialization And Trade

The economic practice where individuals or entities focus on a narrow area of expertise to increase efficiency and trade with others for different goods or services.

Consume More

The action or tendency of increasing the use or consumption of goods and services.