<prompt> Which of the following is given at intervals as a pulsatile therapy?GnRH agonistInsulinFSHEstrogen  <response>: Only pulsatile exposure to GnRH induces FSHLH secretion while continuous exposure desensatizes pituitary gonadotropes resulting in loss of Gn release GNRH agonists are usually given in pulsatile manner while antagonists are given in continous manner REF.Essential of medical pharmacology K D TRIPATHI 6 Edition, Page No - 239 