2. When comparing COCs to the contraceptive patch and vaginal ring, which of the following statements by the nurse practitioner is correct?
a. The ring, Patch, and COCs have the same theoretical efficancy
b. The vaginal ring offers more opportunity for user error
c. The patch has lower failure rates in obese women
d. COCs have fewer variety of formulations
3. Although barrier contraception methods are less effective in preventing pregnancy than more modern methods, the nurse practitioner understands that interest in barrier methods is on the rise because they:
a. can help protect against STIs, including HIV
b. are coitus Dependent and require planning
c. are nonallergic and male controlled
d. involve the use of hormones
4. The nurse practitioner is discussing contraceptive efficacy with a patient. This term refers to:
a. the rate of success in those who are spacing their pregancies
b. the likelihood of pregnancy when a method is used exactly as prescribed
c. the number of pregnancies when a method is used improperly or inconsistently
d. the likelihood of user failure or typical use failure rate in different populations.
5. A patient is being counseled about emergency contraceptive methods. All of the following methods may be used for emergency contraception except:
a. Copper IUD
b. Ulipristal acetate
c. Yuzpe regimen
d. Progestin implan
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