Anatomy And Physiology II: Reproductive System Quiz

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Lindsey Block, BS, Cellular & Molecular Biology |
Biology Expert
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"Lindsey, Ph.D. in cellular and molecular biology from the University of Wisconsin-Madison, specializes in Zika's impact on conception and preterm birth biomarkers. She completed courese on Advanced Cell Biology at the University of Illinois at Urbana-Champaign and Advanced Virology at University College Cork. Lindsey's accolades include three first-author papers, three fellowships, and active participation in five conference presentations. Currently associated with the University of Pennsylvania through a T32 NIH Postdoctoral Fellowship, she continues to contribute significantly to her field, combining academic rigor with practical research to advance understanding in reproductive health and prenatal care. Currently, she is a full time lecturer at Northwestern University - The Feinberg School of Medicine.
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, BS, Cellular & Molecular Biology
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Anatomy And Physiology II: Reproductive System Quiz - Quiz

Welcome to the Anatomy and Physiology II: Reproductive System Quiz! Are you ready to explore the intricacies of human reproduction and the structures that facilitate it? This quiz will test your understanding of the male and female reproductive systems, including their anatomy, physiology, and the processes involved in reproduction. From the production of gametes to the fertilization of an egg and the development of a fetus, you'll delve into the fascinating details of human reproduction.

Whether you're studying anatomy and physiology, preparing for a medical examination, or simply interested in learning more about the human body, this quiz offers a Read morecomprehensive assessment of your knowledge. So, grab a pen and paper, and let's dive into the world of reproductive anatomy and physiology. Are you ready to begin? Let's get started!


Reproductive System Questions and Answers

  • 1. 

    All of the following have a haploid number of chromosomes except...

    • A.

      Secondary spermatocyte

    • B.

      Primary spermatocyte

    • C.

      Spermatids

    • D.

      Spermatozoa

    Correct Answer
    B. Primary spermatocyte
    Explanation
    Primary spermatocytes have a diploid number of chromosomes, meaning they have two sets of chromosomes. This is because primary spermatocytes are formed from spermatogonia through a process called spermatogenesis, which involves DNA replication. During spermatogenesis, the number of chromosomes is reduced from diploid to haploid through two rounds of cell division, resulting in the formation of secondary spermatocytes, spermatids, and eventually spermatozoa, all of which have a haploid number of chromosomes. Therefore, the correct answer is primary spermatocyte.

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  • 2. 

    The acrosome serves what function?

    • A.

      Are arranged in a spiral fashion to propel spermatozoon

    • B.

      Allow spermatozoon to swim faster

    • C.

      Enzymes that help spermatozoon penetrate the ovum

    • D.

      Contains fibrils that produce whip-like action

    Correct Answer
    C. Enzymes that help spermatozoon penetrate the ovum
    Explanation
    The acrosome serves as an enzyme that helps the spermatozoon penetrate the ovum. The enzymes contained within the acrosome are responsible for breaking down the protective layers surrounding the ovum, allowing the spermatozoon to successfully fertilize the egg.

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  • 3. 

    Where does spermatogenesis occur?

    • A.

      Os penis

    • B.

      Ductus deferens of testes

    • C.

      Epididimis of testes

    • D.

      Seminiferous tubules of the testes

    Correct Answer
    D. Seminiferous tubules of the testes
    Explanation
    Spermatogenesis, the process of sperm production, occurs in the seminiferous tubules of the testes. These tubules are located within the testes and are responsible for producing and maturing sperm cells. The seminiferous tubules are lined with specialized cells called Sertoli cells, which support and nourish the developing sperm cells. This is where the various stages of sperm development, including mitosis, meiosis, and spermiogenesis, take place. The other options listed, such as the os penis, ductus deferens, and epididymis, are not involved in spermatogenesis.

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  • 4. 

    The main function of the Epididymis is 

    • A.

      Ejaculation of sperm

    • B.

      Storage and maturation of sperm

    • C.

      Thermoregulation of sperm

    • D.

      Deliver spermatozoa to female reproductive system

    Correct Answer
    B. Storage and maturation of sperm
    Explanation
    The correct answer is "storage and maturation of sperm." The epididymis is a coiled tube located on the back of each testicle. Its main function is to store sperm and allow them to mature. Sperm are produced in the testes and then transported to the epididymis where they are stored for several weeks. During this time, the sperm undergo maturation processes that enable them to become motile and capable of fertilizing an egg. When ejaculation occurs, the sperm are pushed from the epididymis into the vas deferens, which then carries them to the urethra for ejaculation.

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  • 5. 

    What layers of the testes form the vaginal tunic?

    • A.

      Parietal layer and internal spermatic fascia

    • B.

      External and internal spermatic fascia

    • C.

      Skin and dartos muscle

    • D.

      Parietal and visceral layers

    Correct Answer
    D. Parietal and visceral layers
    Explanation
    The testes are surrounded by a protective covering called the vaginal tunic. The vaginal tunic is composed of two layers: the parietal layer and the visceral layer. The parietal layer is the outer layer and the visceral layer is the inner layer. These layers provide support and protection to the testes. The other options mentioned, such as the external and internal spermatic fascia, the skin and dartos muscle, do not form the vaginal tunic.

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  • 6. 

    The cremaster muscle is an extension of the 

    • A.

      Transversus abdominis

    • B.

      Internal abdominal oblique

    • C.

      External abdominal oblique

    • D.

      Rectus abdominis

    Correct Answer
    B. Internal abdominal oblique
    Explanation
    The correct answer is internal abdominal oblique. The cremaster muscle is a thin muscle that is responsible for raising and lowering the testes in males. It is derived from the internal abdominal oblique muscle, which is one of the muscles of the abdominal wall. The internal abdominal oblique muscle is located deep to the external abdominal oblique muscle and plays a role in trunk rotation and lateral flexion of the spine.

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  • 7. 

    Choose the correct path that a spermatocyte would take from creation, to maturation to ejaculation. 1) Seminiferous tubules 2) Ductus deferens 3)Rete testes 4) Epididymis

    • A.

      1342

    • B.

      4321

    • C.

      2341

    • D.

      1234

    Correct Answer
    A. 1342
    Explanation
    The correct path that a spermatocyte would take from creation to maturation to ejaculation is as follows: 1) Seminiferous tubules, where spermatocytes are created. 3) Rete testes, where the spermatocytes move after being created. 4) Epididymis, where the spermatocytes mature into sperm. 2) Ductus deferens, where the mature sperm are stored and transported for ejaculation. Therefore, the correct answer is 1342.

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  • 8. 

    The Gubernaculum is 

    • A.

      A meshwork of veins that surround testicular artery

    • B.

      A band of connective tissue that attaches the testes to the scrotum

    • C.

      Endocrine cells between the seminiferous tubules

    • D.

      A structure that helps support developing spermatids

    Correct Answer
    B. A band of connective tissue that attaches the testes to the scrotum
    Explanation
    The Gubernaculum is a band of connective tissue that attaches the testes to the scrotum. This structure plays a crucial role in the descent of the testes during fetal development. It guides the testes from their original position near the kidneys down into the scrotum. Once the testes have descended, the Gubernaculum becomes less prominent but still helps to anchor the testes in the scrotum. Without the Gubernaculum, the testes would not be properly positioned in the scrotum, which could lead to fertility issues or other complications.

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  • 9. 

    The Pampiniform plexus is responsible for

    • A.

      Producing androgens

    • B.

      Spermatogenesis

    • C.

      Ejaculatiuon

    • D.

      Thermoregulation

    Correct Answer
    D. Thermoregulation
    Explanation
    The Paminiform plexus is responsible for thermoregulation. This is because the paminiform plexus is a network of veins that surrounds the testicular artery in the scrotum. This network of veins helps to cool the blood that is going to the testes, which is important for maintaining the optimal temperature for spermatogenesis. By cooling the blood, the paminiform plexus helps to prevent overheating of the testes, which could be detrimental to sperm production. Therefore, thermoregulation is the correct answer.

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  • 10. 

    What is the function of sertoli cells?

    • A.

      Cells that are responsible for thermoregulation

    • B.

      Produce androgens

    • C.

      Support developing spermatids

    • D.

      Cells that attack spermatids

    Correct Answer
    C. Support developing spermatids
    Explanation
    Sertoli cells are specialized cells found in the seminiferous tubules of the testes. Their main function is to support and nourish the developing spermatids, which are immature sperm cells. They provide physical and nutritional support to the spermatids during their maturation process, ensuring their proper development into mature sperm cells. Sertoli cells also play a role in the blood-testis barrier, which protects the developing sperm cells from harmful substances and immune attack.

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  • 11. 

    Which end of the epididymis do the spermatozoa enter

    • A.

      Tail

    • B.

      Head

    • C.

      Body

    Correct Answer
    B. Head
    Explanation
    Spermatozoa enter the head of the epididymis. The epididymis is a coiled tube located on the back of each testicle, where sperm mature and gain the ability to swim. The head of the epididymis receives sperm from the testes via the efferent ductules. From the head, sperm gradually move down through the body and then into the tail of the epididymis, where they are stored until ejaculation. Therefore, the correct answer is "Head".

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  • 12. 

    Which end of the epididymis continues on as the ductus deferens

    • A.

      Tail

    • B.

      Head

    • C.

      Body

    Correct Answer
    A. Tail
    Explanation
    The tail of the epididymis continues on as the ductus deferens. The epididymis is a coiled tube located at the back of each testicle and is responsible for storing and maturing sperm. The tail of the epididymis is the final segment before the ductus deferens, which is a muscular tube that transports sperm from the epididymis to the urethra during ejaculation. Therefore, the tail of the epididymis is the correct answer as it directly connects to the ductus deferens.

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  • 13. 

    Which of the following species have a "sigmoid flexure" of the penis?

    • A.

      Cat

    • B.

      Dog

    • C.

      Bull

    • D.

      Horse

    Correct Answer
    C. Bull
    Explanation
    The correct answer is bull because bulls have a structure in their penis called a "sigmoid flexure." This is a bend in the penis that allows for easier insertion during mating. Cats, dogs, and horses do not have this specific structure in their penises.

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  • 14. 

    Ejaculation is a 

    • A.

      Sympathetic reflex

    • B.

      Parasympathetic reflex

    Correct Answer
    A. Sympathetic reflex
    Explanation
    Ejaculation is a sympathetic reflex because it is controlled by the sympathetic nervous system. This system is responsible for the "fight or flight" response in the body, which includes the release of adrenaline and activation of various physiological processes. During ejaculation, the sympathetic nervous system stimulates the contraction of muscles in the reproductive organs, allowing for the expulsion of semen. This reflex is involuntary and occurs in response to sexual stimulation.

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  • 15. 

    The Uterine wall is made up of how many layers

    • A.

      4

    • B.

      3

    • C.

      2

    • D.

      1

    Correct Answer
    B. 3
    Explanation
    The uterine wall is made up of three layers: the outer layer called the perimetrium, the middle layer called the myometrium, and the inner layer called the endometrium. The perimetrium is a thin, protective layer that covers the uterus. The myometrium is a thick, muscular layer that contracts during childbirth. The endometrium is a glandular layer that thickens and sheds during the menstrual cycle. These three layers work together to support the functions of the uterus.

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  • 16. 

    The cervix is a smooth muscle sphincter between _________ and __________

    • A.

      Vestibule and vagina

    • B.

      Uterine tubules and uterine horns

    • C.

      Uterine horns and uterine body

    • D.

      Vagina and body of uterus

    Correct Answer
    D. Vagina and body of uterus
    Explanation
    The cervix is a smooth muscle sphincter located between the vagina and the body of the uterus. It acts as a barrier between these two structures, regulating the flow of menstrual blood and sperm into the uterus.

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  • 17. 

    The vaginal folds are called

    • A.

      Clitoris

    • B.

      Vestibule

    • C.

      Uterus

    • D.

      Rugae

    Correct Answer
    D. Rugae
    Explanation
    The vaginal folds, also known as vaginal rugae, are ridges or folds of tissue within the vaginal canal. These rugae are composed of mucous membrane and muscle tissue and are present to allow for expansion and stretching of the vaginal canal during sexual intercourse, childbirth, and other activities. They contribute to the vagina's ability to accommodate various sizes and shapes, providing flexibility and elasticity. The rugae help enhance sexual pleasure and also facilitate the passage of menstrual fluid and the birth of a baby during labor.

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  • 18. 

    Fimbriae are

    • A.

      Muscular finger-like projections that capture the ovum

    • B.

      Empty follicles filled with blood

    • C.

      Yellow bodies

    • D.

      Y shaped organs

    Correct Answer
    A. Muscular finger-like projections that capture the ovum
    Explanation
    Finnbriae are muscular finger-like projections that capture the ovum. These structures are found in the female reproductive system, specifically in the fallopian tubes. The purpose of the finnbriae is to help guide the released egg from the ovary into the fallopian tube, where fertilization can occur. The finger-like shape and muscular contractions of the finnbriae aid in the capture and movement of the ovum, increasing the chances of successful fertilization.

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  • 19. 

    Which of the following species are not induced ovulators?

    • A.

      Rabbits

    • B.

      Ferrets

    • C.

      Cats

    • D.

      Dogs

    Correct Answer
    D. Dogs
    Explanation
    Dogs are not induced ovulators. Induced ovulation is a reproductive mechanism where ovulation is triggered by mating or other external stimuli. In species like rabbits, ferrets, and cats, ovulation is induced by mating. However, in dogs, ovulation occurs spontaneously without the need for external stimulation. Therefore, dogs are not considered induced ovulators.

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  • 20. 

    The most common site for fertilization is 

    • A.

      Uterus

    • B.

      Uterine horn

    • C.

      Oviduct

    • D.

      Cervix

    Correct Answer
    C. Oviduct
    Explanation
    The oviduct, also known as fallopian tubes, are the most common site for fertilization to occur in the female reproductive system. After ovulation, the egg is released from the ovary and travels through the oviducts. If sperm is present in the oviducts at the same time, fertilization can occur. The oviducts provide the ideal environment for the sperm to meet the egg and for fertilization to take place before the fertilized egg continues its journey to the uterus for implantation.

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  • 21. 

    Which hormone is necessary to maintain pregnancy?

    • A.

      FSH

    • B.

      Progesterone

    • C.

      LH

    • D.

      Aldosterone

    Correct Answer
    B. Progesterone
    Explanation
    Progesterone is necessary to maintain pregnancy because it helps prepare the uterus for implantation of a fertilized egg and supports the development of the placenta. It also helps to prevent contractions of the uterine muscles, which could potentially lead to miscarriage. Additionally, progesterone plays a role in suppressing the immune system to prevent rejection of the embryo. Overall, progesterone is essential for maintaining the proper conditions for a healthy pregnancy.

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  • 22. 

    During which stage in the estrous cycle are females receptive to mating?

    • A.

      Estrus

    • B.

      Proestrus

    • C.

      Diestrus

    • D.

      Metestrus

    Correct Answer
    A. Estrus
    Explanation
    During the estrus stage of the estrous cycle, females are receptive to mating. This is the period when the female is ovulating and is most fertile. The hormonal changes during estrus cause behavioral and physical changes that signal to potential mates that the female is ready to reproduce. These changes may include increased vocalizations, restlessness, and a swollen or reddened vulva. Mating during estrus increases the chances of successful fertilization and reproduction.

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  • 23. 

    During which stage in the estrous cycle does the corpus luteum develop?

    • A.

      Estrus

    • B.

      Proestrus

    • C.

      Diestrus

    • D.

      Metestrus

    Correct Answer
    D. Metestrus
    Explanation
    The corpus luteum develops during the metestrus stage of the estrous cycle. This stage occurs after the ovulation and is characterized by the formation of the corpus luteum from the ruptured ovarian follicle. The corpus luteum secretes progesterone, which is important for maintaining pregnancy in case fertilization occurs. If fertilization does not occur, the corpus luteum regresses, leading to the start of a new estrous cycle.

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  • 24. 

    During which stage in the estrous cycle do females experience blood-tinged discharge and vulvar swelling?

    • A.

      Estrus

    • B.

      Proestrus

    • C.

      Diestrus

    • D.

      Metestrus

    Correct Answer
    B. Proestrus
    Explanation
    During the proestrus stage of the estrous cycle, females experience blood tinged discharge and vulvar swelling. This is because proestrus is the stage right before estrus, when the female is preparing for ovulation and mating. The blood tinged discharge is caused by the increased blood flow to the reproductive organs, and the vulvar swelling is a result of the hormonal changes that occur during this stage.

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  • 25. 

     Which of the following is not a stage in the estrous cycle?

    • A.

      Anestrus

    • B.

      Proestrus

    • C.

      Diestrus

    • D.

      Metestrus

    Correct Answer
    A. Anestrus
    Explanation
    Anestrus is not a stage in the estrous cycle. The estrous cycle consists of four stages: proestrus, estrus, diestrus, and metestrus. Proestrus is the stage in which the female prepares for mating, estrus is the stage of sexual receptivity, diestrus is the stage following mating where pregnancy may occur, and metestrus is the stage between diestrus and proestrus. Anestrus refers to a period of temporary ovarian inactivity or quiescence, where there is no sexual activity or reproductive behavior.

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  • 26. 

    A "free martin" is

    • A.

      The male twin with a highly functional reproductive system

    • B.

      The male twin with a non-functional reproductive system

    • C.

      The female twin with a non-functional reproductive system

    • D.

      The female twin with a highly-functional reproductive system

    Correct Answer
    C. The female twin with a non-functional reproductive system
    Explanation
    A "free martin" refers to a female twin with a non-functional reproductive system. In some cases, when a female calf is born with a male twin, their reproductive systems can become fused during development, resulting in infertility. This condition, known as freemartinism, occurs due to the exchange of hormones and blood between the male and female fetuses. As a result, the female twin's reproductive organs do not fully develop, making her unable to reproduce.

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Lindsey Block |BS, Cellular & Molecular Biology |
Biology Expert
"Lindsey, Ph.D. in cellular and molecular biology from the University of Wisconsin-Madison, specializes in Zika's impact on conception and preterm birth biomarkers. She completed courese on Advanced Cell Biology at the University of Illinois at Urbana-Champaign and Advanced Virology at University College Cork. Lindsey's accolades include three first-author papers, three fellowships, and active participation in five conference presentations. Currently associated with the University of Pennsylvania through a T32 NIH Postdoctoral Fellowship, she continues to contribute significantly to her field, combining academic rigor with practical research to advance understanding in reproductive health and prenatal care. Currently, she is a full time lecturer at Northwestern University - The Feinberg School of Medicine.
"

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  • Mar 28, 2024
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