This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Renal physiology, Subject name: Physiology
Substance (s) freely filtered across glomerular capillaries 
Select and explain. 
A. Glucose, B. Albumin, C. Thyroxin, D. Creatinine
A: Glucose
Answer: A: Glucose 
Explanation: Glomerular filtration the renal process whereby fluid in the blood is filtered across the capillaries of the glomerulus and into the urinary space of Bowman&;s capsule. Glucose is freely filtered across glomerular capillaries.Ref: Ganong&;s Review of Medical Physiology; 24th edition; page no: 678