Menstrual Cycle and Disorders
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Questions and Answers

What is the primary hormonal change that induces menstruation?

  • Increase in estradiol levels (correct)
  • Decrease in LH levels
  • Increase in progesterone levels
  • Decrease in FSH levels
  • During the ovulatory phase, what event occurs in the ovary?

  • Corpus luteum formation
  • Release of inhibin B
  • Rupture of preovulatory follicle wall (correct)
  • Selection of a dominant follicle
  • What is the primary function of the endometrium during the luteal phase?

  • Undergoing secretory changes (correct)
  • Releasing inhibin B
  • Releasing progesterone
  • Producing estradiol
  • How many eggs are typically released during each menstrual cycle in humans?

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

    What is the role of inhibin B during the follicular phase?

    <p>Produced by the dominant follicle</p> Signup and view all the answers

    What is the primary outcome if pregnancy does not occur during the menstrual cycle?

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

    What percentage of follicles become atretic?

    <p>99%</p> Signup and view all the answers

    Which of the following factors contributes to the digestion and rupture of the follicle wall?

    <p>Prostaglandins and proteolytic enzymes</p> Signup and view all the answers

    How many hours before ovulation does the LH surge occur?

    <p>34-36 hours</p> Signup and view all the answers

    During which phase of the endometrium is the endometrium UNSTABLE?

    <p>E proliferative phase</p> Signup and view all the answers

    What is the characteristic of mucus during the luteal phase?

    <p>Thick and viscid</p> Signup and view all the answers

    What is the result of the rapid decline in steroids during the menstrual phase?

    <p>Shedding of the unused endometrium</p> Signup and view all the answers

    What is the primary function of the mucinous layer of carbohydrate products discharged from glands and stromal cells in the menstrual fluid?

    <p>To protect the endometrium from lytic enzymes</p> Signup and view all the answers

    What is the average length of a menstrual cycle, considering a normal variation of +/- 7 days?

    <p>28 days</p> Signup and view all the answers

    What is the significance of the basalis layer in the menstrual cycle?

    <p>It is the layer that is responsible for the repair of the endometrium</p> Signup and view all the answers

    What is the term for the breakdown of the endometrial functionalis layer?

    <p>Endometrial breakdown</p> Signup and view all the answers

    What is the primary component of the menstrual fluid that causes clotting if the rate and flow are high?

    <p>Proteolytic enzymes</p> Signup and view all the answers

    What is the term for the normal amount of menstrual bleeding, in terms of volume?

    <p>Around 80 ml</p> Signup and view all the answers

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