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
Substance for which both filtration and reabsorption occurs is 
Select and explain. 
A. Insulin, B. Glucose, C. Creatinine, D. Para - amimo hippuric acid
B: Glucose
Answer: B: Glucose 
Explanation: Insulin ⇒ only  Filtration occurs
Creatinine,para amono hippuric acid ⇒ Both filtration and secretion occurs.
Glucose ⇒ Both filtration and reabsorption occurs.