Multiple choice

Which of the following statements concerning puberty in humans is true?

  1. Men are taller than women because the growth spurt in boys occurs earlier than in girls.

  2. The initial increase in gonadotropin secretion with the onset of puberty occur after the morning meal.

  3. Estrogen is involved in keratinization of the vaginal mucosa at puberty.

  4. Adrenarche always precedes thelarche.

  5. Testosterone is involved in the onset of puberty, playing a role in development of so-called secondary sex characteristics such as breasts, pubic and armpit hair.
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

During puberty, estrogen produced by the ovaries causes several changes in secondary sexual characteristic keratinization or cornification of the vaginal mucosa, enlargement of the labia minora and majora, uterine enlargement and increased fat deposition in the hips and thighs.

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