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: Biochemistry
[{'content': 'In which of the following conditions the level of creatinine kinase 1 increases \nSelect and explain. \nA. Myocardial ischemia, B. Brain Ischemia, C. Kidney damage, D. Electrical cardioversion', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]