Which of the following statements about Pseudohypoprathyroidismistrue-
decreased urinary cyclic AMP responses to PTH , presumably with a post -GS alpha defect in adenyl cyclase stimulation ( Harrison 17 pg 2394)
Endocrinology
Caused by 'Gain of!ftmction' inherited mutation in Gsa subunit
Decreased formation of cyclic GMP is observed
Decreased formation of Inositol triphosphate is observed
Decreased formation of c-AMP is observed
Decreased formation of c-AMP is observed