Pharmacy Coc question

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Which one of the following medications is the best initial treatment for a case of heart failure with normal systolic function and preserved ejection fraction?
A-Digoxin
B-Furosemide
C-Metoprolol
D-Spironolacton

Which of the following is NOT an adverse effect of aspirin?
A- Bleeding
B- Gastritis
C- Renal problems
D- Tolerance