This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Autonomic nervous system, Subject name: Pharmacology
Beta blocker with intrinsic sympathomimetic activity is 
Select and explain. 
A. Propranolol, B. Atenolol, C. Bisoprolol, D. Celiprolol
D: Celiprolol
Answer: D: Celiprolol 
Explanation: Beta blockers with intrinsic sympathomimetic activity are acebutolol, celiprolol, pindolol etc Ref: KD tripathi 8th ed.