<prompt> Pseudohypoparathyroidism is characterized by:Normal serum Ca and decreased serum PTHDecreased serum Ca and decreased serum PTHDecreased serum Ca and Increased serum PTHNormal serum Ca and Increased serum PTH  <response>: c. Decreased serum Ca and Increased serum PTHRef: Nelsons 20e p 2695-2697, Ghai 8e p 521-524Pseudohypoparathyroidism PHPParathyroid glands are normal or hyperplastic and they can synthesize and secrete parathyroid hormone PTHSerum levels of immunoreactive PTH are elevated even when the patient is hypocalcemic normocalcemicNeither endogenous nor administered PTH raises the serum levels of calcium or lowers the levels of phosphorus. 