This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
The ubiquitous pump is: 
Select and explain. 
A. Sodium potassium pump, B. Sodium pump, C. Potassium pump, D. All
A: Sodium potassium pump
Answer: A: Sodium potassium pump 
Explanation: Sodium potassium pump is the ubiquitous pump as it is present in sll the cells