Which is the best diagnostic methods for contact dermatitis( )
A. Photosensitive test
B. Patch test
C. Histopathological examination
D. Immunofluorescence test
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what is the typical manifestation of chronic eczema?( )
A. Obvious exudation
B. Edematous erythema
C. Erosion
D. lichenification
Excluding subcutaneous tissue, the thickness of the skin is( )
A. 0.1mm
B. 0.1 ~0.5mm
C. 0.5 ~4.0mm
D. 4.0 ~8.0mm
Which of the following are not the original skin lesions( ) A Macule B wheal C fissure D pustule
A. wheal
B. fissure
C. pustule
Which of the following factors is associated with acute guttate psoriasis?( )
A. Colonization of Staphylococcus aureus in skin.
B. HCV infection.
C. pharyngeal streptococcal infection.
D. HSV