Puberty Development Phases

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Questions and Answers

Which hormone activates the reproductive glands during puberty?

  • FSH (correct)
  • TSH
  • ACTH
  • LH

What is the first phase of pubertal changes that occurs in individuals?

  • Adrenarche (correct)
  • Gonadarche
  • Thelarche
  • Pubarche

What is the phase of pubertal changes that involves the onset of breast development?

  • Thelarche (correct)
  • Pubarche
  • Adrenarche
  • Menarche

What causes the menstrual cycle to be irregular in adolescents in the initial period after menarche?

<p>Short luteal phase (C)</p> Signup and view all the answers

Which phase of pubertal changes marks the onset of menstrual bleeding in females?

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

Which cells in the testicles and ovaries are stimulated by FSH and LH during puberty?

<p>Leydig cells and Sertoli cells (testicles), Theca and Granulosa cells (ovary) (A)</p> Signup and view all the answers

What is the role of inhibin secreted by FSH-stimulated Sertoli cells?

<p>Inhibits FSH secretion (B)</p> Signup and view all the answers

Which hormone inhibits further GnRH secretion from the hypothalamus?

<p>Testosterone (D)</p> Signup and view all the answers

What is the first visible sign of puberty in females?

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

What is the genetic cause of McCune-Albright syndrome?

<p>Mosaic mutation in the GNAS1 gene (B)</p> Signup and view all the answers

Which of the following is NOT one of the 3 P's of McCune-Albright syndrome?

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

What defines precocious puberty?

<p>Appearance of secondary sexual characteristics before age 9 in girls and age 8 in boys (A)</p> Signup and view all the answers

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