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
All of the following are seen in a patient who has the habit of smoking EXCEPT 
Select and explain. 
A. Increased pocket depth, B. Attachment loss, C. Increased gingival bleeding on probing, D. All of the above
C: Increased gingival bleeding on probing
Answer: C: Increased gingival bleeding on probing 
Explanation: None