Puberty Physical Changes and Reproductive Hormone Regulation Quiz
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Questions and Answers

Which hormone is primarily responsible for triggering ovulation in the female menstrual cycle?

  • Luteinizing hormone (LH) (correct)
  • Progesterone
  • Estrogen
  • Follicle-stimulating hormone (FSH)

How does the hypothalamus contribute to the regulation of reproductive hormones?

  • It produces kisspeptin, which stimulates the release of GnRH (correct)
  • It secretes LH and FSH in response to rising estrogen levels
  • It releases inhibin to inhibit the production of GnRH
  • It responds to low testosterone by inhibiting LH and FSH release

Which part of the female reproductive system is the primary site for embryo development?

  • Uterus (correct)
  • Fallopian tube
  • Cervix
  • Ovary

During pregnancy, how does the feedback mechanism adapt to maintain reproductive hormone levels?

<p>Prolactin secretion rises to inhibit the release of LH and FSH (C)</p> Signup and view all the answers

Which physical change is common to both sexes during puberty?

<p>Hair growth in certain body parts (A)</p> Signup and view all the answers

What is the role of GnRH in the male reproductive system?

<p>It stimulates the production of testosterone (A)</p> Signup and view all the answers

What is the primary role of testosterone feedback in the male reproductive system?

<p>Inhibits LH secretion (A)</p> Signup and view all the answers

Which of the following is a correct characteristic of negative feedback in the regulation of reproductive hormones?

<p>Rising hormone levels inhibit hormone release at the hypothalamus (C)</p> Signup and view all the answers

In the correct order for the production of hormones during the monthly cycle, what comes after FSH and before progesterone?

<p>Estrogen (A)</p> Signup and view all the answers

What will not result in a missed menstrual cycle?

<p>Fertilization of the egg (C)</p> Signup and view all the answers

Which of the following is caused by increased estrogen levels in the follicular phase of the menstrual cycle?

<p>Thickening of cervix (D)</p> Signup and view all the answers

When is a woman most fertile during her cycle according to the rhythm method?

<p>Cycle days 9-16 (B)</p> Signup and view all the answers

What is the hormone responsible for milk production and is stimulated through sucking?

<p>Prolactin (C)</p> Signup and view all the answers

Which of the following is NOT a trigger for ovulation?

<p>Prolactin (C)</p> Signup and view all the answers

Which of the following hormones are directly released by the hypothalamus to trigger ovulation?

<p>Gonadotropin-releasing hormone (GnRH) (B)</p> Signup and view all the answers

Which hormone is responsible for the thickening of the uterine lining in preparation for pregnancy?

<p>Progesterone (B)</p> Signup and view all the answers

Which of the following correctly represents the events that lead to pregnancy and embryo development?

<p>(i) Fertilization of egg, (ii) Maturation of egg, (iii) Release of egg, (iv) Embedding of embryo in thickened uterine wall (C)</p> Signup and view all the answers

What triggers the release of FSH and LH from the pituitary gland in females?

<p>Gonadotropin-releasing hormone (GnRH) (C)</p> Signup and view all the answers

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