Question: A 36-year-old woman diagnosed with systemic scleroderma diffuse form 2 years ago, is treated with 30 mg of prednisone in her health center for an eye problem. The patient consulted for headache and the clinical examination revealed high blood pressure and a deterioration in kidney function that was not known. The patient is referred to the emergency department with the suspicion of a sclerodermal renal crisis. Indicate which of the following statements is correct: 
 Options:  <1> The sclerodermal renal crisis is more frequent in the limited form of scleroderma. <2> The use of steroids at moderate doses can precipitate its appearance. <3> The diagnosis requires a renal biopsy. <4> Angiotensin-converting enzyme inhibitors are routinely used to prevent its occurrence. <5> The treatment of choice would be a dihydropyridine calcium antagonist.
2