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: Unknown
All are true about mammary gland, except - 
Select and explain. 
A. Is a modified sweat gland, B. Extends from 2nd to 6th rib vertically, C. Supplied by internal mammary artery, D. Nipple is supplied by 6th intercostal nerve
D: Nipple is supplied by 6th intercostal nerve
Answer: D: Nipple is supplied by 6th intercostal nerve 
Explanation: Ans- D Nipple is supplied by 6th intercostal nerve o The nipple is supplied by 4 th intercostal nerve, not 6 th intercostal nerve