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58 Cards in this Set

  • Front
  • Back
Leuprolide, naferelin mechanism of action?
GnRH analog with agonist properties when used in pulsatile fashion; antagonist when used in continuous fashion (downregulates GnRH receptors, thus decreasing FSH/LH).
Leuprolide, naferelin uses?
Infertility (pulsatile), prostate cancer (continuous, with flutamide), uterine fibroids, endometriosis.
Leuprolide, naferelin side effects?
Antiandrogen effects (gynectomastia, male infertility, decreased libido), nausea, vomiting.
Testosterone (methyltestosterone) mechanism of action?
Agonist at androgen receptors.
Testosterone (methyltestosterone) uses?
Treats hypgonadism and promotes development of secondary sex characteristics; stimulation of anabolism to promote burn or injury recovery.
Testosterone (methyltestosterone) side effects?
Masculinization in females; reduces intratesticular testosterone levels in males by inhibiting release of LH, leading to gonadal atrophy. Premature closure of epiphyseal plates. Increases LDL, decreases HDL.
Finasteride mechanism of action?
5-alpha-reductase inhibitor; decrases conversion of testosterone to dihydrotestosterone.
Finasteride uses?
BPH and promotes hair growth.
Finasteride side effects?
0
Flutamide mechanism of action?
Nonsteroidal competitive inhibitor of androgens at the testosterone receptor.
Flutamide uses?
Prostate cancer.
Flutamide side effects?
0
Ketoconazole mechanism of action?
Inhibits steroid synthesis (inhibits desmolase).
Ketoconazole uses?
Used in treatment of polycystic ovarian sndrome to prevent hirsutism.
Ketoconazole side effects?
Gynectomastia, amenorrhea.
Spironolactone mechanism of action?
Inhibits steroid binding.
Spironolactone uses?
Used in treatment of polycystic ovarian sndrome to prevent hirsutism.
Spironolactone side effects?
Gynectomastia, amenorrhea.
Ethinyl estradiol, DES, mestranol mechanism of action?
Estrogen receptor agonist.
Ethinyl estradiol, DES, mestranol uses?
Hypogonadism or ovarian failure, menstrual abnormalities, HRT in postmenopausal women; androgen-dependent prostate cancer.
Ethinyl estradiol, DES, mestranol side effects?
Increased risk of endometrial cancer; bleeding in postmenopausal women. Clear cell adenocarcinoma of vagina in females exposed to DES in uteru. Increased risk of thrombi. Contraindicate with ER-positive breast cancer, hx of DVTs.
Clomiphene mechanism of action?
Partial agonist at estrogen receptors in hypothalamus. Prevents normal feedback inhibition and increases release of LH and FSH, which stimulates ovulation.
Clomiphene uses?
Infertility and polycystic ovarian syndrome.
Clomiphene side effects?
Hot flashes, ovarian enlargement, multiple simultaneous pregnancies, and visual disturbances.
Tamoxifen mechanism of action?
Estrogen antagonist.
Tamoxifen uses?
ER-positive breast cancer.
Raloxifene mechanism of action?
Estrogen antagonist with breast cancer; estrogen agonist on bone.
Raloxifene uses?
ER-positive breast cancer. Reduces resorption of bone in osteoporosis.
Hormone replacement therapy uses?
Prevents menopausal symptoms (hot falshes, vaginal atrophy) and osteoporosis.
Hormone replacement therapy side effects?
Increases risk of endometrial cancer; progesterone decreases risk but increases CV disease.
Anastozole mechanism of action?
Aromatase inhibitor.
Anastozole uses?
Postmenopausal women with breast cancer.
Exemestane mechanism of action?
Aromatase inhibitor.
Exemestane uses?
Postmenopausal women with breast cancer.
Progestins (medroxyprosgesterone, norethindrone, desogestrel) mechanism of action?
Progesterone agonist; reduces growth and increases vascularization of endometrium.
Progestins (medroxyprosgesterone, norethindrone, desogestrel) uses?
Oral contraceptives and in the treatment of endometrial cancer and abnormal uterine bleeding.
Progestins (medroxyprosgesterone, norethindrone, desogestrel) side effects?
Lowers HDL, raises LDL; glucose intolerance; androgenic (hirsutism), antiestrogenic
Mifepristone mechanism of action?
Competitive progesterone antagonist.
Mifepristone uses?
Termination of pregnancy; administered with misoprostol (PGE1)
Mifepristone side effects?
Heavy bleeding, GI effects (nausea, vomiting, anorexia), abdominal pain.
Oral contraceptives mechanism of action?
Synthetic progestins, estrogen. Inhibit LH/FSH thus prevent estrogen surge. No estrogen surge means no Lh surge thus no ovulation.
Oral contraceptives uses?
Thickens cervical mucous thereby limiting sperm access to uterus; inhibit endometrial proliferation thus making impantation less likely.
Oral contraceptives side effects?
Contraindicate in smokers > 35 years of age (CV risk), patients with hx of DVTs, stroke or estrogen-dependent breast cancer.
Ritodrine, terbutaline mechanism of action?
Beta-2 adrenergic agonists.
Ritodrine, terbutaline uses?
Relax the uterus; reduce premature uterine contractions.
Ritodrine, terbutaline side effects?
0
Tamsulosin mechanism of action?
Alpha-1 receptor antagonist. Selective for alpha1(A,D) receptors found on prostate. Little efect on vascular alpha1(B) receptors.
Tamsulosin uses?
Treats BPH by inhibiting smooth muscle contraction.
Sildenafil, vardenafil mechanism of action?
Inhibits cGMP phosphodiesterase, cuasing increased cGMP, smooth muscle relaxation in the corpus cavernosum, thus increasing blood flow.
Sildenafil, vardenafil uses?
Erectile dysfunction.
Sildenafil, vardenafil side effects?
Headache, flushing, dyspepsia, impaired blue-green color vision. Risk of life-threatening hypotension in patients taking nitrates.
Danazol mechanism of action?
Partial androgen agonist.
Danazol uses?
Endometriosis and hereditary angioedema.
Danazol side effects?
Weight gain, edema, acne, hirsutism, masculinization, decreased HDL levels.
Carboprost mechanism of action?
PGF-2 alpha agonist
Carboprost uses?
Abortifacent
Dinoprostone mechanism of action?
PGE2 agonist
Dinoprostone uses?
Abortifacent, cervical ripening