This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Medicine
Septicaemic shock with multi-organ failure is treated by 
Select and explain. 
A. Adrenaline, B. Ephedrine, C. Phenylephrine, D. Norepinephrine
D: Norepinephrine
Answer: D: Norepinephrine 
Explanation: Norepinephrine in septic shock:First line agent in septic shockPredominant alpha receptor agonist effects and results in potent peripheral aerial vasoconstriction without significantly increasing hea rate or cardiac outputDosage range is 5-20 microgram/min(Ref: Harrison's 18/e p2223, 2228)