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
Drugs used in CHF - 
Select and explain. 
A. Nesiritide, B. Digoxin, C. Spironolactone, D. All
D: All
Answer: D: All 
Explanation: Ans. is 'a' i.e., Nesiritide; 'b' i.e., Digoxin; 'c' i.e., Spironolactone