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: Anaesthesia
Malignant hypehermia is due to: 
Select and explain. 
A. Nicotinic receptors, B. Ryanodine receptors, C. Muscarinic receptors, D. Serotogenic receptors
B: Ryanodine receptors
Answer: B: Ryanodine receptors 
Explanation: Ryanodine receptors