Question detail
Which of the following statements about intrauterine devices (IUDs) is true?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Hormonal coordination in humans
Question
- A. IUDs are only effective for a short period.
- B. IUDs can be used as a method of hormonal contraception.
- C. IUDs require daily maintenance.
- D. IUDs are ineffective in preventing pregnancy.
Answer
The correct option is IUDs can be used as a method of hormonal contraception.. This answer is correct because it matches the approved learning objective to describe intrauterine devices as methods that prevent implantation of an embryo or release hormones in the subtopic Contraception.
Explanation
The correct option is IUDs can be used as a method of hormonal contraception.. IUDs can be used as a method of hormonal contraception. is correct because it directly supports the approved learning objective to describe intrauterine devices as methods that prevent implantation of an embryo or release hormones. This belongs to the subtopic Contraception within Hormonal coordination in humans, so the explanation must stay tied to that curriculum context. The other options are incorrect because they either do not answer this learning objective, use a vague statement, or move away from Contraception.
Common mistake
Misunderstanding IUD Function
Students often confuse intrauterine devices (IUDs) with other contraceptive methods, thinking they only prevent fertilization rather than also preventing implantation.
Clarify that IUDs work by either preventing fertilization or by altering the uterine lining to prevent implantation of a fertilized egg.
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