Female Reproductive System Functions
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Questions and Answers

What is the correct order of follicular development stages in the female reproductive system?

  • Primary, Antral, Pre-antral
  • Primary, Pre-antral, Antral (correct)
  • Pre-antral, Antral, Primary
  • Antral, Primary, Pre-antral

    • What is the function of the theca cells in follicular development?

  • Supporting the primary oocyte
  • Secreting FSH
  • Production of estrogen (correct)
  • Formation of antrum

    • How does the dominant follicle maintain its status during folliculogenesis?

  • By inhibiting estrogen production
  • By secreting FSH
  • By having more FSH receptors (correct)
  • By forming the cumulus oophorus

    • What is the role of aromatase in folliculogenesis?

    <p>Production of estrogen</p> Signup and view all the answers

    How is the selection of the dominant follicle regulated in the menstrual cycle?

    <p>By decreasing FSH levels with increasing estrogen</p> Signup and view all the answers

    What happens to the oocytes in the follicles that are not selected for further development?

    <p>They are removed by atresia</p> Signup and view all the answers

    What is the main role of estrogens in the female reproductive system?

    <p>Regulating cognitive functions</p> Signup and view all the answers

    Which gland lubricates the vagina?

    <p>Bartholin’s glands</p> Signup and view all the answers

    What is the pH of the vagina due to its acidic environment?

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

    What is the primary role of progesterone in the female reproductive system?

    <p>Supporting uterus readiness for implantation</p> Signup and view all the answers

    Which hormone is responsible for breast development and pelvis widening in females?

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

    What is the 'default' path for the development of internal and external genitalia?

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

    What is the primary function of androgens in relation to female reproductive physiology?

    <p>Increase libido and vaginal secretions</p> Signup and view all the answers

    Which of the following statements accurately describes the anatomy of the ovaries?

    <p>The medulla contains the stroma, interstitial cells, and blood vessels, while the cortex contains follicles at different stages of development.</p> Signup and view all the answers

    During which stage of embryonic development do primordial germ cells become oogonia?

    <p>In the genital ridge</p> Signup and view all the answers

    Which of the following statements is true regarding the formation of primordial follicles?

    <p>Primordial follicles are formed when oogonia differentiate into primary oocytes and become surrounded by a single layer of follicular cells.</p> Signup and view all the answers

    What is the DNA content of primary oocytes at birth?

    <p>4n</p> Signup and view all the answers

    Which of the following statements accurately describes the process of follicular recruitment at puberty?

    <p>Some resting primordial follicles are recruited into the follicular cycle at puberty under the control of FSH.</p> Signup and view all the answers

    Which of the following statements about granulosa cells is correct?

    <p>They produce progesterone and estrogens in response to FSH.</p> Signup and view all the answers

    Which binding globulin is responsible for transporting serum estrogens?

    <p>Sex hormone-binding globulin (SHBG)</p> Signup and view all the answers

    What is the primary mechanism of action for estrogen and progesterone?

    <p>Liganded receptor dimerization, followed by binding to nuclear receptors and transcription of target genes.</p> Signup and view all the answers

    What is the role of activin in the follicular phase of the ovarian cycle?

    <p>Both B and C are correct.</p> Signup and view all the answers

    Which hormone provides negative feedback on FSH during the follicular phase?

    <p>Inhibin B</p> Signup and view all the answers

    What is the normal implantation site for a blastocyst in the uterus?

    <p>The upper half of the uterine cavity</p> Signup and view all the answers

    What is the fate of the primary oocyte from the dominant antral follicle?

    <p>Completes meiosis I and starts meiosis II, but stops at metaphase of Meiosis 2, forming a secondary oocyte and a first polar body.</p> Signup and view all the answers

    What hormone surge is responsible for triggering ovulation?

    <p>Luteinizing hormone (LH)</p> Signup and view all the answers

    What leads to the rupture of the follicle and release of the oocyte during ovulation?

    <p>Stimulation of luteinisation of pre-ovulatory granulosa cells by LH surge, leading to cyclooxygenase 2 (COX2) upregulation</p> Signup and view all the answers

    Where does fertilization usually occur?

    <p>Ampulla of the oviduct (Fallopian tube)</p> Signup and view all the answers

    What event triggers the completion of meiosis II for the secondary oocyte?

    <p>Penetration by sperm in the zona pellucida (ZP)</p> Signup and view all the answers

    What happens to the oocyte 24 hours after ovulation?

    <p>It remains arrested in metaphase II.</p> Signup and view all the answers

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