This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Other topics and Adverse effects, Subject name: Anatomy
[{'content': 'Therapeutic drug monitoring of plasma concentration of antihypeensive drugs is not practiced because \nSelect and explain. \nA. Determination of plasma level of these drugs is quite tedious and long process, B. It is easier to measure the effect of these drugs, C. Antihypeensive effect do not increases linearly with the dose, D. All Antihypeensive drugs are prodrugs', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ref-KDT 6/e p34 TDM is done for drugs (with narrow therapeutic index) whose response cannot be monitored by clinical examination. Antihypeensive effect can be easily measured, therefore TDM is not required', 'role': 'assistant'}]