Puberty Physical Changes and Reproductive Hormone Regulation Quiz

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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?

Prolactin secretion rises to inhibit the release of LH and FSH Signup and view all the answers

Which physical change is common to both sexes during puberty?

Hair growth in certain body parts Signup and view all the answers

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

It stimulates the production of testosterone Signup and view all the answers

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

Inhibits LH secretion Signup and view all the answers

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

Rising hormone levels inhibit hormone release at the hypothalamus 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?

Estrogen Signup and view all the answers

What will not result in a missed menstrual cycle?

Fertilization of the egg Signup and view all the answers

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

Thickening of cervix Signup and view all the answers

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

Cycle days 9-16 Signup and view all the answers

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

Prolactin Signup and view all the answers

Which of the following is NOT a trigger for ovulation?

Prolactin Signup and view all the answers

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

Gonadotropin-releasing hormone (GnRH) Signup and view all the answers

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

Progesterone Signup and view all the answers

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

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

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