This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Unknown
The administration of succinylcholine to a paraplegic patient led to the appearance of dysrhythmias, conduction abnormalities and finally cardiac arrest. The most likely cause is - 
Select and explain. 
A. Hypercalcemia, B. Hyperkalemia, C. Anaphylaxis, D. Hypermagnesemia
B: Hyperkalemia
Answer: B: Hyperkalemia 
Explanation: Ans-B