<prompt> Which of the following is a sub-epidermal blistering disorder?Pemphigus vulgarisBullous pemphigoidPemphigus foliaceousDariers disease  <response>: ANSWER: B Bullous pemphigoidREF: Rooks dermatology 7th ed p. 41.3-41.19Interapidermal bullaBlister at dermoepidermal junctionGranular layerJunctionalPemphigus foliaceousJunctional EBSubcorneal pustular dermatosisBullous pemphigoidStaphylococcal scalded skin syndrome Bullous impetigoDermolyticSpinous layerEpidermolytic bullosa dystrophicansFamilial benign pemphigusEpidermolytic bullosa aquisticaSuprabasalDermatitis herpetiformisPemphigus vulgarisDariers diseaseBasal layerErythema multiformeLupus erythematosusLichen planusEBS 