NAPLEX Practice Question # 108

All of the following hormonal drugs possess a steroidal nucleus except

(A) ethinyl estradiol.
(B) norethindrone.
(C) liothyronine.
(D) prednisolone.
(E) fl uoxymesterone.

GONADAL HORMONES are hormones produced in the gonads (i.e., ovary or testis). Most natural and synthetic gonadal hormones are derivatives of cyclopentanoperhydrophenanthrene with various changes in strategic positions . Th e steroid hormones contain this 17-carbon fusedring system that uses a common numbering system.