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Repro and GU Action

Reproductive and Genitourinary Pharmacological Action

QuestionAnswer
testosterone primary male hormone regulating sex differentiation, producing male sex characteristics, spermatogenesis, fertility
finasteride blocks an enzyme called Type II 5a-reductase, an enzyme that converts testosterone into dihydrotestosterone
tamsulosin blocks alpha1 receptors located in and around the prostate, the top of the urethra, and the neck of the bladder
sildenafil blocks the PDE5 enzyme relaxing blood vessels and increasing blood flow
ethinyl estradiol and drospirenone -inhibits ovulation by inhibiting FSH and LH secretion -thickens cervical mucus -changes environment of endometrium -alters tubal transport of the ova
levonorgestrel -binds to progesterone and androgen receptors -blunts the luteinizing hormone surge -delays or inhibits ovulation -thickens cervical mucus
conjugated estrogen and medroxyprogesterone acetate contains a combination of conjugated estrogens and medroxyprogesterone
oxytocine stimulates uterine contractions
oxybutynin reduces muscle spasms of the bladder and urinary tract
bethanechol selectively stimulates muscarinic receptors
Created by: mbaldwin13
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