Contraception (NCLEX) Quiz: Methods & Mechanisms

1. The diaphragm contraceptive device must be used with which additional product for maximum effectiveness?

Spermicide

Antibiotic cream

Estrogen gel

Antifungal powder

2. Barrier contraceptive methods primarily prevent pregnancy by:

Suppressing ovulation

Preventing sperm from entering the upper reproductive tract

Altering endometrial thickness

Reducing hormone production

3. Which of the following is a nonhormonal emergency contraceptive option?

Levonorgestrel (Plan B One-Step)

Ulipristal acetate (ella)

Copper IUD insertion

Ethinyl estradiol regimen

4. The lactational amenorrhea method (LAM) is considered effective contraception if exclusively breastfeeding and amenorrhea persists for up to how many months postpartum?

3 months

6 months

9 months

12 months

5. Which contraceptive method is MOST effective at preventing sexually transmitted infections (STIs)?

Combined oral contraceptive pills

Male latex condom

Intrauterine device (IUD)

Contraceptive implant

6. The Yuzpe regimen for emergency contraception consists of ethinyl estradiol and which progestin?

Norgestrel

Etonogestrel

Medroxyprogesterone

Desogestrel

7. Which contraceptive method prevents ovulation by suppressing follicle-stimulating hormone (FSH)?

Combined oral contraceptive pills

Copper intrauterine device (IUD)

Barrier methods only

Fertility awareness methods

8. Permanent sterilization via tubal ligation has a failure rate of approximately:

0.5%

5%

15%

25%

9. A patient taking enzyme-inducing antibiotics (rifampin) may experience reduced effectiveness of oral contraceptives. What should be recommended?

Discontinue antibiotic immediately

Use backup contraception during and after antibiotic course

Switch to a non-hormonal method

Increase oral contraceptive dose without medical consultation

10. Which hormone is NOT present in combined oral contraceptive pills?

Ethinyl estradiol

Norethindrone

Testosterone

Levonorgestrel

11. The levonorgestrel emergency contraceptive (Plan B) is most effective when taken within how many hours of unprotected intercourse?

12 hours

24 hours

72 hours

120 hours

12. Which of the following is a contraindication to combined oral contraceptive use?

Age over 35 years

History of migraine with aura

Mild hypertension (140–159 systolic)

Smoking fewer than 15 cigarettes per day

13. Progestin-only pills (minipills) are preferred in which patient population?

All women of reproductive age

Lactating women and those with estrogen contraindications

Women seeking maximum hormone dosing

Adolescents under age 16

14. The copper IUD primarily works by which mechanism?

Preventing implantation of fertilized ovum

Creating an inflammatory response toxic to sperm

Blocking fallopian tube passage

Suppressing progesterone production

15. Intrauterine systems (IUS) releasing levonorgestrel provide contraception for approximately how long?

1–2 years

3–5 years

5–7 years

8–10 years

16. Subdermal contraceptive implants (Nexplanon) release which hormone?

Ethinyl estradiol

Etonogestrel

Medroxyprogesterone acetate

Norethisterone

17. Intrauterine device (IUD) insertion is contraindicated in which situation?

Nulliparity (never been pregnant)

Current or recent pelvic infection

Age under 25 years

History of irregular menses

18. Medroxyprogesterone acetate (Depo-Provera) is administered intramuscularly every how many months?

1 month

2 months