Menstrual Cycle and Hormone Regulation
18 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

Which hormone is responsible for stimulating the growth and maturation of the ovarian follicle?

  • Follicle-stimulating hormone (FSH) (correct)
  • Luteinising hormone (LH)
  • Progesterone
  • Oestrogen
  • What is the primary function of the myometrium during the follicular or proliferative phase of the menstrual cycle?

  • To increase contractility
  • To maintain uterine quiescence
  • To secrete aqueous secretions to aid sperm transport (correct)
  • To secrete progesterone
  • What occurs on the first day of the ovarian cycle?

  • Oestrus (heat) (correct)
  • Menstruation
  • Ovulation
  • Implantation
  • What is the primary function of the uterine glands during the follicular or proliferative phase of the menstrual cycle?

    <p>To aid sperm transport and maturation</p> Signup and view all the answers

    What happens to the endometrium during the luteal or secretory phase of the menstrual cycle?

    <p>It increases in thickness</p> Signup and view all the answers

    What is the primary function of the serosa, the outermost layer of the uterus?

    <p>To provide a connective tissue layer</p> Signup and view all the answers

    What is the primary trigger for the onset of puberty?

    <p>Activation of GnRH neurones and hypothalamic-pituitary-gonad axis</p> Signup and view all the answers

    What percentage of variation in the age of onset of puberty is attributed to genetic factors?

    <p>50%</p> Signup and view all the answers

    What is the result of a delay in the hypothalamic-pituitary-gonad axis activity?

    <p>Delayed puberty</p> Signup and view all the answers

    What is the trend observed in the age of menarche in Western Europe over the last 150 years?

    <p>A 2-3 month decrease per decade</p> Signup and view all the answers

    What is the age range for the onset of puberty?

    <p>9-14 years</p> Signup and view all the answers

    What is the first sign of fertility in females?

    <p>First menstruation (menarche)</p> Signup and view all the answers

    What is the minimum body mass required for the onset of puberty in girls?

    <p>40-50kg</p> Signup and view all the answers

    What is the approximate incidence of Klinefelter's syndrome in human male births?

    <p>1: 600</p> Signup and view all the answers

    What is the percentage of body fat required for the onset of puberty?

    <p>~20%</p> Signup and view all the answers

    What is the effect of progesterone on the HPG axis during pregnancy?

    <p>Inhibitory</p> Signup and view all the answers

    What is the primary function of dopamine in lactation?

    <p>Inhibiting GnRH release</p> Signup and view all the answers

    What is the effect of steroidal contraceptives on ovulation?

    <p>Inhibitory</p> Signup and view all the answers

    More Like This

    Reproductive Cycle: Follicle Maturation
    25 questions
    Menstrual Cycle Pathophysiology
    10 questions

    Menstrual Cycle Pathophysiology

    BrighterTropicalRainforest avatar
    BrighterTropicalRainforest
    Ovarian Cycle and Hormone Regulation
    22 questions
    Ovarian Cycle and Hormones
    36 questions
    Use Quizgecko on...
    Browser
    Browser