which hormone is primarily responsible for the development of female secondary sexual characteristics
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Reproductive System Exam Quizlet

1. Which hormone is primarily responsible for the development of female secondary sexual characteristics?

Correct answer: C

Rationale: Estrogen is primarily responsible for the development of female secondary sexual characteristics. Progesterone, while important in the menstrual cycle and pregnancy, is not primarily responsible for secondary sexual characteristics. Testosterone is the primary male sex hormone. Oxytocin is involved in labor, lactation, and social bonding, but not in the development of female secondary sexual characteristics.

2. Which of the following is an example of a viviparous animal?

Correct answer: A

Rationale: The correct answer is A, goat. Viviparous animals give birth to live young ones instead of laying eggs. Ducks and crocodiles are oviparous, meaning they lay eggs, making them incorrect choices. 'None of the above' is incorrect because goats are a valid example of viviparous animals.

3. Which one of the following statements is NOT true about menstruation?

Correct answer: D

Rationale: The correct answer is D. The statement that menstrual flow has non-clotting blood is incorrect because menstrual blood can indeed clot. Choices A, B, and C are all true statements about menstruation. Choice A reflects the average amount of menstrual flow, choice B describes the components of menstrual flow, and choice C correctly identifies the ovarian hormones that influence the menstrual cycle.

4. What prompted Zambia to implement family planning services?

Correct answer: A

Rationale: The correct answer is A. Rapid population growth's impact on the economy and individual welfare prompted Zambia to implement family planning services. This is because a rapidly growing population can strain resources, lead to unemployment, poverty, and inadequate access to healthcare. Choice B is incorrect because the provision of free family planning pills by donors may have been a subsequent intervention rather than the initial reason for implementing family planning services. Choice C is irrelevant as the frequency of deliveries by mothers does not directly relate to the implementation of family planning services. Choice D is also incorrect as high abortion rates may be a consequence of inadequate family planning services rather than the reason for their implementation.

5. Which of the following is the most effective method of contraception?

Correct answer: D

Rationale: Sterilization is considered the most effective method of contraception because it permanently prevents pregnancy. Barrier methods, hormonal pills, and IUDs are highly effective as well, but they are reversible methods and may have a higher failure rate compared to sterilization.

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