A nurse is teaching a client who is prescribed COCs about the mechanism of action of these pills.
The nurse should explain that COCs prevent pregnancy by?
Inhibiting the production of follicle-stimulating hormone (FSH) and luteinizing hormone (LH)
Increasing the production of prostaglandins that cause uterine contractions
Decreasing the permeability of the fallopian tubes to sperm and egg
Suppressing ovulation, thickening cervical mucus and altering the uterine lining
The Correct Answer is A
The correct answer is choice A. COCs prevent pregnancy by inhibiting the production of follicle-stimulating hormone (FSH) and luteinizing hormone (LH), which are responsible for ovulation.
By suppressing ovulation, COCs prevent the release of a mature egg that can be fertilized by sperm.
Choice B is wrong because COCs do not increase the production of prostaglandins that cause uterine contractions.
Prostaglandins are involved in inflammation and pain, and are not directly related to contraception.
Choice C is wrong because COCs do not decrease the permeability of the fallopian tubes to sperm and egg.
The fallopian tubes are the site of fertilization, and COCs do not affect their function.
Choice D is partially correct but not the best answer. COCs do suppress ovulation, but they also have other mechanisms of action, such as thickening cervical mucus and altering the uterine lining.
These effects make it harder for sperm to reach the egg and for a fertilized egg to implant in the uterus.
Therefore, choice D does not capture the full mechanism of action of COCs.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
The correct answer is choice B. It can decrease menstrual loss and dysmenorrhea.According to, progestin IUDs can make your periods lighter and less painful.
This is a benefit for women who have heavy or painful periods.
Choice A is wrong because it can prevent Asherman’s syndrome.
Asherman’s syndrome is a condition where scar tissue forms in the uterus, which can cause infertility or miscarriage.
Progestin IUDs do not prevent this condition.
Choice C is wrong because it can remain in the uterus for up to 10 years.
Progestin IUDs have different durations of effectiveness depending on the type and brand.For example, Liletta can last up to 8 years, Mirena up to 7 years, and Skyla/Kyleena up to 5 years.
Choice D is wrong because it can protect against sexually transmitted infections.
Progestin IUDs do not protect against STIs.
You should use condoms with new partners to prevent STIs
Correct Answer is A
Explanation
The correct answer is choice A."You may experience weight gain as a side effect of the injection."
Choice B is wrong because you do not need to use a barrier method of contraception for the first week after the injection.Medroxyprogesterone injection provides contraception for three months and works mainly by stopping the release of an egg from the ovary (ovulation).
Choice C is wrong because you should not massage the injection site to promote absorption of the medication.
Massaging the injection site may cause irritation or pain.You should also avoid rubbing or scratching the injection site for a few days after receiving the injection.
Choice D is wrong because you may not resume fertility as soon as you stop the injections.
There may be a delay in your return to normal fertility after you finish using medroxyprogesterone injection.It might take 10 months or more before you begin ovulating again.
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