This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrine System, Subject name: Physiology
Insulin stimulated glucose entry in seen in- 
Select and explain. 
A. Cardiac muscles, B. Smooth muscles, C. Brain, D. Intestines
A: Cardiac muscles
Answer: A: Cardiac muscles 
Explanation: Insulin stimulated glucose entry in seen in Cardiac muscles. Name Location Features GLUT-1 & GLUT-3 Brain, RBC, placenta Concerned with basal uptake of glucose GLUT-2 Liver, kidney, b-cells of pancreas Allows both entry & release of glucose GLUT-4 Skeletal muscles, adipocytes, cardiac muscles Insulin dependent transpoer GLUT-5 Spermatozoa, testis, intestines Transpos fructose