This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Hematology and CVS, Subject name: Pharmacology
A 40-year-old politician suffered from attacks of chest pain diagnosed as angina pectoris. He had a tense personality, hea rate was 96/min blood pressure 170/104mm Hg, but blood sugar level and lipid profile were normal. Select the most suitable antihypeensive for the initial therapy in his case: 
Select and explain. 
A. Nifedipine, B. Hydrochlorothiazide, C. Atenolol, D. Methyldopa
C: Atenolol
Answer: C: Atenolol 
Explanation: Tense personality and high resting hea rate (96/min) makes b-blockers ideal candidate drugs to be used in this case. As blood sugar and lipid profile is normal, beta blockers can be used safely.