Pharmacology Practice

20 learning units • 10 questions per unit • 200 explained questions

Module 14 — Reproductive Hormones & Uterine Drugs

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Question 01 • Single best answer

What is the main endocrine mechanism of combined hormonal contraception?

A. Suppression of ovulation through gonadotropin feedback B. Stimulation of ovulation every cycle C. Direct destruction of all sperm D. Permanent ovarian ablation

Question 02 • Single best answer

Which risk is particularly relevant to estrogen-containing contraception?

A. Guaranteed severe hypoglycemia B. Organophosphate toxicity C. Venous thromboembolism D. Universal agranulocytosis

Question 03 • Single best answer

Why can enzyme-inducing medicines reduce efficacy of some hormonal contraceptives?

A. Increased hormone metabolism B. Permanent loss of all estrogen receptors C. Increased copper release from every device D. Immediate ovulation in every user

Question 04 • Single best answer

What follows sustained continuous GnRH agonist exposure after the initial flare?

A. Permanent increase in FSH in every patient B. Suppression of gonadotropin release C. Direct progesterone receptor blockade only D. Immediate destruction of the pituitary

Question 05 • Single best answer

How can exogenous testosterone impair fertility?

A. Always increases sperm count B. Suppresses gonadotropins and intratesticular support of spermatogenesis C. Directly replaces every germ cell D. Eradicates all reproductive infections

Question 06 • Single best answer

Why is a progestogen often combined with systemic menopausal estrogen when the uterus is present?

A. To eliminate every cardiovascular risk B. To induce permanent ovarian failure C. To protect the endometrium from unopposed stimulation D. To neutralize all estrogen chemically

Question 07 • Single best answer

Which drug can antagonize estrogen in breast tissue while stimulating endometrium?

A. Tamoxifen B. Oxytocin C. Nifedipine D. Heparin

Question 08 • Single best answer

What is oxytocin's principal obstetric action?

A. Complete uterine relaxation B. Stimulation of uterine contractions C. Direct fibrin dissolution D. Inhibition of platelet production

Question 09 • Single best answer

Which uterotonic is particularly concerning in significant hypertension?

A. An oral iron preparation B. Ergometrine C. A topical emollient D. Folate

Question 10 • Single best answer

How can nifedipine produce a tocolytic effect?

A. Stimulates oxytocin receptors B. Inhibits vitamin K recycling C. Reduces calcium entry into uterine smooth muscle D. Blocks bacterial ribosomes