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: Physiology
Glucose is co-transported with Na+ ions. This is a type of 
Select and explain. 
A. Secondary active transport, B. Primary active transport, C. Facilitated diffusion, D. Simple diffusion
A: Secondary active transport
Answer: A: Secondary active transport 
Explanation: Secondary active transport is one in which there is either co-transport or counter transport due to electrochemical potential difference that is created by pumping the ions in and out of the cell. Please note that there is no direct coupling of ATP in the process.