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
True about endometrium 
Select and explain. 
A. Has 3 distinct zones., B. Basalis layer is sloughed off during menstruation., C. Basalis layer is less hormonally responsive., D. Basalis has surface epithelium and subepithelial capillary plexus.
C: Basalis layer is less hormonally responsive.
Answer: C: Basalis layer is less hormonally responsive. 
Explanation: Endometrium has 2 zones
	→ Functionalis layer
	→ Basalis layer
Functionalis layer is shed during menstruation 
Functionalis layer lines the uterine cavity and has surface epithelium with subepithelial capillary plexus.