Human Reproductive System and Gamete Development
32 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

How many chromosomes do male and female gametes have together for proper development?

  • 47
  • 23
  • 46 (correct)
  • 49

    • What is the function of the dartos and cremaster muscles in the scrotum?

  • To release sperm from the testes
  • To regulate the temperature of the testes (correct)
  • To produce sperm
  • To separate the testes into lobules

    • What is the purpose of the blood-testes barrier created by Sertoli cells?

  • To keep blood borne substances away from the germ cells (correct)
  • To release sperm from the testes
  • To control the development of sperm
  • To regulate the temperature of the testes

    • How many lobules are there in each testis?

    <p>300-400 (A)</p> Signup and view all the answers

    What is the role of Sertoli cells in the seminiferous tubules?

    <p>To control the development of sperm (A)</p> Signup and view all the answers

    What is the function of the seminiferous tubules?

    <p>To develop sperm (A)</p> Signup and view all the answers

    What is the process called that develops a sperm cell from the least mature stage to the final stage?

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

    Where is the end product of sperm formed during spermatogenesis?

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

    How many chromosomes do spermatogonia cells have?

    <p>46 (C)</p> Signup and view all the answers

    What is the term for one or both testes failing to descend into the scrotum prior to birth?

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

    What is the percentage of semen that is made up of sperm?

    <p>5% (D)</p> Signup and view all the answers

    What is responsible for powering the flagellum to move the sperm cell?

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

    Where do sperm cells continue to mature after they are formed?

    <p>Epididymis (A)</p> Signup and view all the answers

    What is the hormone that is released to differentiate the male sexual reproductive organs as a fetus?

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

    What is the negative feedback loop that regulates testosterone production?

    <p>Testosterone inhibits GRH (A)</p> Signup and view all the answers

    What is the name of the membrane that covers the vaginal canal and always lets fluid flow out?

    <p>Hymen (A)</p> Signup and view all the answers

    What happens to the corpus luteum if pregnancy does not occur within 10-12 days?

    <p>It degrades and progesterone levels decrease (B)</p> Signup and view all the answers

    What is the relationship between breast size and milk production?

    <p>Breast size does not affect milk production (C)</p> Signup and view all the answers

    How does hormonal birth control work to prevent pregnancy?

    <p>By supplying a constant amount of estrogen and progesterone (B)</p> Signup and view all the answers

    What is the fundamental sex in humans?

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

    What triggers the onset of puberty in humans?

    <p>The increase in hypothalamic production of hormones (A)</p> Signup and view all the answers

    What is a common effect of poor nutrition on puberty in females?

    <p>Accelerated puberty (A)</p> Signup and view all the answers

    What is the primary function of the vagina?

    <p>To act as the entrance to the reproductive tract and the exit during natural childbirth (C)</p> Signup and view all the answers

    What is the typical duration of an ovarian cycle?

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

    What is the term for the death of follicles during folliculogenesis?

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

    What is the primary function of the corpus luteum?

    <p>To produce progesterone (B)</p> Signup and view all the answers

    What is the term for the release of an oocyte from the ovary?

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

    What is the purpose of the cilia in the uterine tubes?

    <p>To push the oocyte along the tube (D)</p> Signup and view all the answers

    What is the term for the layer of the uterus that is shed during menstruation?

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

    What is the primary hormone responsible for the growth and development of follicles?

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

    What is the term for the fertilized egg that has not yet implanted in the uterus?

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

    What is the purpose of the high levels of glucose in the uterine fluid?

    <p>To support the growth of the embryo (D)</p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser