A 25 year old young woman has recurrent episodes of headache and sweating. Her mother had renal calculi and died after having a neck mass. The physical examination reveals a thyroid nodule but no clinical sign of thyrotoxicosis. Before performing thyroid surgery, the surgeon should order -
Measurement of thyroid hormones Serial detenriinations of serum calcium,phosphorus, protein and alkaline phosphatase 24-hours urine test for 5 hydroxyindoleacetic acid excretion Serial 24 hours test for catecholamines, meta-nephrines and vanillylamandelic acid excretion