This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anesthesia, Subject name: Pharmacology
The admistration of succinylcholine to a paraplegic patient led to appearance of dysarrythimas, conduction abnormalities band finally cardiac arrest. The most likely cause is 
Select and explain. 
A. Hypercalcemia, B. Hyperkalemia, C. Anaphylaxis, D. Hypermagnesmia
B: Hyperkalemia
Answer: B: Hyperkalemia 
Explanation: Refer Katzung 11/e p460 Succinylcholine can cause Hyperkalemia especially in patients with nerve and muscle disorders. Therefore it is contra indicated in patients with nerve diseases and muscle diseases