This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Skin lesions and disorders of pigmentation, Subject name: Dental
Which among is not a primary skin lesion - 
Select and explain. 
A. Plaque, B. Macule, C. Abscess, D. Scales
D: Scales
Answer: D: Scales 
Explanation: Primary lesions are macules,patch, papules, nodules, plaques, vesicle,bulla ,pustules, erosion,ulceration,wheals. secondary lesions are scale ,crust,atrophy,fissure.Scales are secondary lesions. fitzpatrick textbook of dermatology, 9th edition , page 4