mdcat logical reasoning MCQ #788

A patient's ECG shows a prolonged QT interval. Which type of ion channel is most likely affected?

mdcat logical reasoning MCQ #788

  1. Question 1

    Q1. A patient's ECG shows a prolonged QT interval. Which type of ion channel is most likely affected?

    • A) Sodium Potassium Channels
    • B) Calcium Channels
    • C) Potassium Rectifier Channels
    • D) Sodium-Potassium Pump

    Answer: Potassium Rectifier Channels

    Explanation: Potassium rectifier channels are often associated with long QT syndrome because their dysfunction can lead to abnormal potassium ion flow. Sodium-potassium channels are not typically affected in this condition.