This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
[{'content': 'Titin is absent in \nSelect and explain. \nA. Skeletal muscle, B. Smooth muscle, C. Cardiac muscle, D. All', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Titin induces elasticity and is absent in smooth muscle Ref:Guyton and Hall textbook of medical physiology 12th edition,page number:86,87', 'role': 'assistant'}]