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
Psoriasis associated with p – hemolytic streptococcal infection – 
Select and explain. 
A. Psoriasis vulgaris, B. Erythrodermic psoriasis, C. Pustular psoriasis, D. Guttate psoriasis
D: Guttate psoriasis
Answer: D: Guttate psoriasis 
Explanation: Guttate psoriasis is precipitated by upper respiratory tract infection, e.g. streptococcal tonsilitis.