This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Embryology and Histology, Subject name: Anatomy
[{'content': 'All of the following muscles are derivatives of para axial mesoderm except- \nSelect and explain. \nA. Masseter, B. diaphragm, C. biceps femoris, D. detrusor', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Para axial (somite) derivatives- dermatome (lateral pa)- skin dermis myotome (middle pa)- skeletal muscles sclerotome (medial pa)- bone (veebrae, occipital skull bone) option 1,2 and 3 are skeletal muscles. Detrusor is a smooth muscle of genitourinary system derived from intermediate mesoderm.', 'role': 'assistant'}]