A 14-year-old patient is diagnosed with hyperkalemia. Which ion is primarily responsible for the cardiac arrest in this condition?
Q1. A 14-year-old patient is diagnosed with hyperkalemia. Which ion is primarily responsible for the cardiac arrest in this condition?
Answer: Potassium
Explanation: Hyperkalemia leads to an imbalance of potassium ions, which disrupts cardiac function and increases the risk of cardiac arrest, whereas the other options have different roles in the body.