Which of the following is not a reaction to an irritant:

1. Which of the following does not relate to salivary glands:

1. Which of the following is not caused by a virus:

Lichen Planus lesions should be excised.

Hyperkeratotic lesions with mild dysplasia are very likely to go on to become malignant.

Unexplained red mucosal lesions are more likely to be or become malignant that white lesions.