Puberty Development in Girls and Boys

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Questions and Answers

What is the first event that occurs in girls during puberty according to the passage?

  • Thelarche, the development of breasts. (correct)
  • Pubarche, the development of axillary and pubic hair.
  • Menarche, the first menstrual period.
  • Adrenarche, the increase in adrenal androgen secretion.

What is the definition of puberty according to the passage?

  • The period when the endocrine and gametogenic functions of the gonads are first developing.
  • The period when the gonads become active and start producing sex hormones.
  • The period when the endocrine and gametogenic functions of the gonads have developed to the point where reproduction is possible. (correct)
  • The period when the body undergoes various physical changes leading to sexual maturity.

What is the role of leptin, the satiety-producing hormone, in the control of puberty according to the passage?

  • Leptin inhibits the release of gonadotropic hormones, delaying the onset of puberty.
  • Leptin stimulates the release of gonadotropic hormones, triggering puberty.
  • Leptin probably plays a role in the control of puberty, but the passage does not specify the exact nature of this role. (correct)
  • Leptin plays no role in the control of puberty.

According to the passage, what is the likely reason for the gonads being quiescent during childhood?

<p>There is a lack of appropriate signal from some other area of the brain, perhaps in the limbic system. (B)</p> Signup and view all the answers

What is the relationship between strenuous athletics, weight loss, and menstruation in young women according to the passage?

<p>Strenuous athletics and weight loss cause young women to stop menstruating. (B)</p> Signup and view all the answers

According to the passage, what is the role of the gonadotrophins (FSH and LH) during puberty?

<p>The gonadotrophins control the development of the gonads and the release of sex hormones. (D)</p> Signup and view all the answers

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