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
A thorough visual and tactile examination of hard and soft tissue relies on checking the three Cs, which does not include: 
Select and explain. 
A. Colour, B. Cell, C. Consistency, D. Contour
B: Cell
Answer: B: Cell 
Explanation: A thorough visual and tactile ex-amination of hard and soft tissue relies on checking the "three Cs": color, contour, and consistency