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: Medicine
The Maximum concentration of potassium delivered central vein is? 
Select and explain. 
A. 20 mmol/L, B. 40 mmol/L, C. 60 mmol/L, D. 100 mmol/L
C: 60 mmol/L
Answer: C: 60 mmol/L 
Explanation: Answer- C. 60 mmol/LMaximum concentration possible delivered central vein = 60 mmo/l