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: Pharmacology
Anti-Adrenergic drug which crosses the bloodbrain barrier minimally is - 
Select and explain. 
A. Propranolol, B. Atenolol, C. Oxprenolol, D. Alprenolol
B: Atenolol
Answer: B: Atenolol 
Explanation: Ans. is 'b' i.e., Atenolol Atenolol is a lipid insoluble 13-blocker. Lipid insolubile drugs have following features ? o Do not cross Blood Brain Barrier and therefore produce no CNS effects. o Have good renal excretion o Have no membrane stabilizing activity o Are incompletely absorbed orally o Are long acting o Are effective in narrow dose range