USMLE® Step 1 style questions USMLE
A patient presents to the clinic for the first time. She informs the physician that the skin on her hands and feet has always been very fragile and bruises easily with minor injury or friction. The blisters usually heal and do not leave a scar. The physician diagnoses the patient with epidermolysis bullosa simplex. Which statement below most accurately describes the protein that is altered in this disease?