This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anatomy of skin, Subject name: Dental
In sebaceous glands accumulation of sebum leads to 
Select and explain. 
A. Millia, B. Acne, C. Epidermoid cyst, D. Milliria
B: Acne
Answer: B: Acne 
Explanation: Acne -etiopathogenesis: follicular hyperkeratinization increased sebum production colonization of the pilosebaceous unit with Propionibacterium acnes production of inflammatory mediators Reference Harrison20th edition pg 1278