How do barrier methods prevent pregnancy?

Question

BlackTom AI · Accepted Answer

When evaluating how barrier methods prevent pregnancy, it helps to go option by option and unpack why each statement is true or false.
Option 1: 'They prevent sperm from getting through the cervix to the uterus by blocking the path.' This description aligns with how barrier methods work (such as condoms, diaphragms, and cervical caps): they create a physical barrier that blocks sperm from entering the uterus, thereby reducing the chance of fertilization. This explanation is accurate and matches the intended purpose of barrier methods.
Option 2: 'Hormones are used to change the female' This statement describes hormonal methods (like birth control pills or injections), not barrier methods. Barrier methods rely on a physical barrier rather than altering hormonal pathways, so this option is incorrect.
Option 3: 'The male pulls out before sperm is ejaculated into the vagina.' This describes withdrawal (coitus interruptus), which is not a barrier method. It is a behavioral method with high failure rates and does not involve a barrier device to prevent sperm from reaching the egg. Therefore, this option is inaccurate in the context of barrier methods.
Option 4: 'None of these describes how barrier methods prevent pregnancy.' Since Option 1 correctly describes the mechanism of barrier methods, this option is false. It incorrectly dismisses the accurate description provided in Option 1.
In summary, the key idea is that barrier methods work by physically blocking sperm from reaching the uterus, which is precisely what Option 1 states, while the other options reference non-barrier approaches or are factually inconsistent with how barrier methods operate.

HLTED-1-41135-F25 Quiz Ch 8

How do barrier methods prevent pregnancy?

查看解析

登录即可查看完整答案

类似问题

Birth control pills protect against pregnancy and sexually transmitted infections (STIs).

Which is NOT true about the intrauterine contraceptive (IUC)?

According to the Internal Birth Control Video, the most popular form of birth control is the pill.

Which of the following forms of birth control can prevent sexually Transmitted Diseases (STDs) when used properly?

According to the Contraception Video, which of the following methods should NOT utilize spermicides?

Question at position 18 Which BC methods require an appointment with a medical professional? Cervical capSpongeDiaphragmIUDFemale Condom

Question at position 17 The copper IUD is less effective in women who weigh more than 155lbs. TrueFalse

Birth control pills protect against pregnancy and sexually transmitted infections (STIs).

更多留学生实用工具

考试浏览器助手

风格化写作助手

论文查重助手

文献引用助手

课堂转译助手

课堂笔记助手

Quiz搜索助手

学校历年真题

智能刷题助手

智能匹配练习

希望你的学习变得更简单