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: Gynaecology & Obstetrics
Which of the following arteries supplying uterus is insensitive to hormonal changes 
Select and explain. 
A. Radial arteries, B. Spiral arteries, C. Basal arteries, D. None of above
C: Basal arteries
Answer: C: Basal arteries 
Explanation: Basal arteries are relatively insensitive to hormonal changes.