<prompt> Which of the following drugs is a SERM useful for treatment of osteoporosisRaloxifenBisphoshonatesStrontiumEstradiol  <response>: Refer Katzung 11e p 759. Raloxifen is a selective estrogen receptor modulator with estrogen agonistic action on bone and antagonistic action on breast and endometrium It is therefore the preferred drug for the treatment and prevention of post menopausal osteoporosis 