Grattage test is used for -
Ans. is 'd' i.e., Psoriasis Bedside tests for psoriasiso Two bedside tests can be done to confirm the clinical diagnosis of psoriasis : -Grattage testScraping the lesion with a glass slide causes accentuation of the silvery scales.Auspitz's SignScraping the lesion with glass slide causes accentuation os slivery scales (as in Grattage test). If scraping is continued further, a glistening white adherent membrane (Burkley's membrane) appears. On removing Burkley's membrane punctate (fine pinpoint) bleeding becomes visible, which is referred to as Auspitz's sign.
Tinea capitis
Lichen planus
Pemphigus vulgaris
Psoriasis