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
An unknown drug is being tested in experimental setup. The results obtained are given in the table. From these actions, new drug is likely to be:ParameterPlacebo treatedNew drug treatedHea rate7286Systolic BP110150Diastolic BP8068TremorsAbsentPresent 
Select and explain. 
A. Beta-I and beta-2 agonist, B. Alpha-1 antagonist and beta-2 agonist, C. M2 and M3 agonist, D. Alpha-1 and beta-1 agonist
A: Beta-I and beta-2 agonist
Answer: A: Beta-I and beta-2 agonist 
Explanation: Ans. A. Beta-1 and beta-2 agonistBeta-1 stimulation increases hea rate and systolic blood pressure. Beta-2 stimulation cause vasodilation and thus decreases diastolic blood pressure and tremors. Hence, the drug appears to be beta-1 and beta-2 agonist.