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: Dental
Nuk Sauger Nipple is : 
Select and explain. 
A. Non-physiologic nipple., B. Conventional nipple., C. Physiologic nipple., D. None.
C: Physiologic nipple.
Answer: C: Physiologic nipple. 
Explanation: None