Prenatal Development Quiz! Trivia

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Prenatal Development Quiz! Trivia - Quiz


Do you know what is prenatal development? Would you like to try this quiz? Prenatal development is the process of growth and development while in the mother's womb. It involves the formation of the embryo, through to the fetus's creation, to the eventual birth of the baby. The process is grouped into three stages: the pre-embryonic stage, the embryonic stage, and fertilization. This quiz will take you on a journey of a life from conception to birth. All the best.


Questions and Answers
  • 1. 

    This begins with fertilization and ends with birth which lasts for about 266-280 days (38-40 weeks)

    • A.

      Prenatal Development

    • B.

      Fetal Period

    • C.

      Postpartum Blues

    • D.

      Development

    Correct Answer
    A. Prenatal Development
    Explanation
    Prenatal development refers to the process of growth and development that occurs in the womb from fertilization to birth. It includes various stages such as implantation, embryonic period, and fetal period. The duration of prenatal development is approximately 266-280 days or 38-40 weeks. During this time, the embryo develops into a fetus and undergoes significant changes in organ formation and growth. This process culminates in the birth of the baby.

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  • 2. 

    Which period in prenatal development is Week 1-2?

    • A.

      Germinal Period

    • B.

      Embryonic Period

    • C.

      Fetal Period

    • D.

      First Trimester

    Correct Answer
    A. Germinal Period
    Explanation
    The correct answer is Germinal Period. During the first two weeks of prenatal development, the zygote undergoes rapid cell division and travels down the fallopian tube to the uterus. This period is known as the germinal period, and it ends with implantation of the embryo into the uterine wall. The embryonic period follows the germinal period and lasts from week 3 to week 8, during which major organ systems begin to form. The fetal period occurs from week 9 until birth, and it is characterized by further development and maturation of the organs and systems. The first trimester encompasses the germinal period, embryonic period, and part of the fetal period.

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  • 3. 

    Tick the boxes explaining the developments within Germinal Period.

    • A.

      Fertilization

    • B.

      Mitosis

    • C.

      Implantation

    • D.

      Intensified cell differentiation

    • E.

      Cell Support Systems formation

    • F.

      Organogenesis

    • G.

      Formation of endoderm, mesoderm, and ectoderm

    • H.

      Development of Life-Support Systems

    • I.

      Neural Tube formation

    • J.

      Heart cells differentiation

    • K.

      Urogenital System

    • L.

      Arms and Legs differentiate and facial structures form

    • M.

      Heart chambers take shape and blood vessels appear

    • N.

      Arms, legs, and head move spontaneously

    • O.

      Identifiable face, arms, limbs, and genitals

    • P.

      Growth spurt in the body's lower parts

    • Q.

      Fetus movements can be felt

    • R.

      Structures of the skin have formed

    • S.

      Fetus prefers a position in the womb

    • T.

      Eyes and eyelids are fully formed

    • U.

      Lanugo

    • V.

      Grasping reflex and irregular breathing

    • W.

      Viability

    • X.

      Development of fatty tissues

    • Y.

      Cell differentiation

    Correct Answer(s)
    A. Fertilization
    B. Mitosis
    C. Implantation
    Y. Cell differentiation
    Explanation
    During the Germinal Period, the following developments occur: Fertilization, Mitosis, Implantation, and Cell differentiation. Fertilization is the process of the sperm and egg combining to form a zygote. Mitosis is the division of cells to increase the number of cells in the developing embryo. Implantation is when the embryo attaches to the uterine wall. Cell differentiation is the process where cells become specialized and take on specific functions in the body. These developments are crucial for the formation and growth of the embryo during the Germinal Period.

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  • 4. 

    Tick the boxes explaining the developments within Embryonic Period.

    • A.

      Fertilization

    • B.

      Mitosis

    • C.

      Cell differentiation

    • D.

      Implantation 

    • E.

      Intensified cell differentiation

    • F.

      Cell support systems formation

    • G.

      Organogenesis

    • H.

      Formation of endoderm, mesoderm, and ectoderm

    • I.

      Development of life-support systems

    • J.

      Neural tube formation

    • K.

      Heart cells differentiation

    • L.

      Urogenital system

    • M.

      Arms and legs differentiate and facial structures form

    • N.

      Heart chambers take shape and blood vessels appear

    • O.

      Arms, legs, and head move spontaneously

    • P.

      Identifiable face, arms, limbs, and genitals

    • Q.

      Growth spurt in the body’s lower parts

    • R.

      Fetus movements can be felt

    • S.

      Structures of the skin have formed

    • T.

      Fetus prefers a position in the womb

    • U.

      Eyes and eyelids are fully formed

    • V.

      Lanugo

    • W.

      Grasping reflex and irregular breathing

    • X.

      Viability

    • Y.

      Development of fatty tissues

    Correct Answer(s)
    E. Intensified cell differentiation
    F. Cell support systems formation
    G. Organogenesis
    H. Formation of endoderm, mesoderm, and ectoderm
    I. Development of life-support systems
    J. Neural tube formation
    K. Heart cells differentiation
    L. Urogenital system
    M. Arms and legs differentiate and facial structures form
    N. Heart chambers take shape and blood vessels appear
    Explanation
    During the embryonic period, there are several developments that occur. These include intensified cell differentiation, where cells start to specialize and take on specific roles. Cell support systems formation is another development, where structures that support and nourish the cells begin to form. Organogenesis takes place, which is the formation of organs from the three primary germ layers - endoderm, mesoderm, and ectoderm. Development of life-support systems also occurs, ensuring that the embryo has the necessary systems to sustain life. Neural tube formation and heart cell differentiation are important processes in the development of the nervous and cardiovascular systems. The urogenital system develops, and limbs and facial structures start to differentiate. Heart chambers take shape, blood vessels appear, and the fetus goes through a growth spurt. Various structures continue to form, such as the skin, eyes, and eyelids. Lanugo, a fine hair, develops on the fetus's body. The grasping reflex and irregular breathing also emerge. Viability, or the ability to survive outside the womb, is achieved, and fatty tissues start to develop.

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  • 5. 

    Tick the boxes explaining the developments within Fetal Period.

    • A.

      Fertilization

    • B.

      Mitosis

    • C.

      Cell differentiation

    • D.

      Implantation

    • E.

      Intensified cell differentiation

    • F.

      Cell support systems formation

    • G.

      Organogenesis

    • H.

      Formation of endoderm, mesoderm, and ectoderm

    • I.

      Development of life-support systems

    • J.

      Neural tube formation

    • K.

      Heart cells differentiation

    • L.

      Urogenital system

    • M.

      Arms and legs differentiate and facial structures form

    • N.

      Heart chambers take shape and blood vessels appear

    • O.

      Arms, legs, and head move spontaneously

    • P.

      Identifiable face, arms, limbs, and genitals

    • Q.

      Growth spurt in the body’s lower parts

    • R.

      Fetus movements can be felt

    • S.

      Structures of the skin have formed

    • T.

      Fetus prefers a position in the womb

    • U.

      Eyes and eyelids are fully formed

    • V.

      Lanugo

    • W.

      Grasping reflex and irregular breathing

    • X.

      Viability

    • Y.

      Development of fatty tissues

    Correct Answer(s)
    O. Arms, legs, and head move spontaneously
    P. Identifiable face, arms, limbs, and genitals
    Q. Growth spurt in the body’s lower parts
    R. Fetus movements can be felt
    S. Structures of the skin have formed
    T. Fetus prefers a position in the womb
    U. Eyes and eyelids are fully formed
    V. Lanugo
    W. Grasping reflex and irregular breathing
    X. Viability
    Y. Development of fatty tissues
    Explanation
    During the fetal period, various developments occur. Arms, legs, and the head start to move spontaneously, and an identifiable face, arms, limbs, and genitals can be observed. There is also a growth spurt in the lower parts of the body, and the movements of the fetus can be felt. Structures of the skin have formed, and the fetus prefers a position in the womb. Eyes and eyelids are fully formed, and lanugo (fine hair) appears on the body. The grasping reflex and irregular breathing are also present. The fetus reaches viability, meaning it has the potential to survive outside the womb, and there is development of fatty tissues.

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  • 6. 

    This is a single cell formed after the union of sperm and egg cells.

    • A.

      Zygote

    • B.

      Trophoblast

    • C.

      Blastocyst

    Correct Answer
    A. Zygote
    Explanation
    A zygote is the correct answer because it is formed when a sperm cell fertilizes an egg cell, resulting in the formation of a single cell. The zygote then undergoes cell division to form an embryo. The other options, trophoblast and blastocyst, are stages of embryonic development that occur after the formation of the zygote.

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  • 7. 

    Fertilization occurs in the upper half of the fallopian tube within 24 hours after ovulation.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    It occurs in the upper third of the tube.

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  • 8. 

    This is the process of rapid cell division of a zygote.

    • A.

      Mitosis

    • B.

      Differentiation

    • C.

      Fertilization

    Correct Answer
    A. Mitosis
    Explanation
    Mitosis is the correct answer because it is the process of rapid cell division that occurs after fertilization, leading to the formation of an embryo. During mitosis, the zygote undergoes a series of divisions, resulting in the production of genetically identical cells. This process is essential for growth and development, as it allows the zygote to multiply and differentiate into various cell types and tissues, eventually forming a complete organism. Differentiation refers to the process by which cells become specialized in structure and function, while fertilization is the fusion of male and female gametes to form a zygote, which is the initial step in the process described.

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  • 9. 

    This is the process of cell specialization to perform various tasks which begins 1 week after conception.

    • A.

      Differentiation

    • B.

      Mitosis

    • C.

      Fertilization

    Correct Answer
    A. Differentiation
    Explanation
    Differentiation is the process of cell specialization where cells acquire specific structures and functions to perform various tasks. It starts approximately 1 week after conception. During differentiation, cells undergo changes in gene expression, leading to the development of different cell types with unique characteristics. This process is crucial for the formation of tissues and organs in multicellular organisms. Mitosis refers to cell division, while fertilization is the fusion of gametes to form a zygote.

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  • 10. 

    This is a hollow ball of 64-128 cells after 4 days of cell division.

    • A.

      Blastocyst

    • B.

      Zygote

    • C.

      Trophoblast

    Correct Answer
    A. Blastocyst
    Explanation
    After 4 days of cell division, a hollow ball of cells is formed, known as a blastocyst. This structure is a crucial stage in embryonic development, occurring shortly before implantation in the uterus. The blastocyst consists of an outer layer of cells called the trophoblast, which will eventually develop into the placenta, and an inner cell mass that will give rise to the embryo itself. The zygote, on the other hand, refers to the fertilized egg immediately after the fusion of sperm and egg, while the trophoblast specifically refers to the outer layer of cells in the blastocyst.

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  • 11. 

    The inner mass of cells of the blastocyst will become the ____________

    • A.

      Embryo

    • B.

      Trophoblast

    • C.

      Placenta

    Correct Answer
    A. Embryo
    Explanation
    The inner mass of cells of the blastocyst is the part that will develop into the embryo. This inner mass contains the cells that will differentiate and form the various tissues and organs of the developing organism. The trophoblast, on the other hand, is the outer layer of cells that will give rise to the placenta. Therefore, the correct answer is embryo.

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  • 12. 

    This is the outer layer of the blastocyst, providing the embryo with nutrition and support.

    • A.

      Placenta

    • B.

      Trophoblast

    • C.

      Ectoderm

    Correct Answer
    B. Trophoblast
    Explanation
    The trophoblast is the outer layer of the blastocyst, which is the early stage of development of an embryo. It plays a crucial role in providing nutrition and support to the developing embryo. The trophoblast is responsible for implanting the blastocyst into the uterine wall and forming the placenta, which is essential for exchanging nutrients and waste between the mother and the embryo.

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  • 13. 

    After 11-15 days, the next process that occurs is _______ which is the attachment of the zygote to the uterine wall.

    • A.

      Implantation

    • B.

      Fertilization

    • C.

      Conception

    • D.

      Mitosis

    Correct Answer
    A. Implantation
    Explanation
    After 11-15 days, the next process that occurs is implantation, which is the attachment of the zygote to the uterine wall. This is the crucial step in pregnancy where the fertilized egg, or zygote, burrows into the lining of the uterus and establishes a connection with the maternal blood supply. Implantation allows for the exchange of nutrients and waste products between the developing embryo and the mother, and it marks the beginning of the formation of the placenta. Fertilization refers to the fusion of sperm and egg, conception is the beginning of pregnancy, and mitosis is a process of cell division.

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  • 14. 

    The embryonic period begins as the blastocyst attaches to the fallopian tube.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The embryonic period begins as the blastocyst attaches to the uterine wall after traveling through the fallopian tube.

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  • 15. 

    Which layer of embryo primarily produces internal body parts?

    • A.

      Endoderm

    • B.

      Mesoderm

    • C.

      Ectoderm

    Correct Answer
    A. Endoderm
    Explanation
    The endoderm layer of the embryo primarily produces internal body parts. This layer gives rise to the lining of the digestive tract, respiratory system, liver, pancreas, and other internal organs. The endoderm is responsible for the formation of the innermost layer of tissues and organs in the developing embryo.

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  • 16. 

    Which layer of embryo primarily produces the parts surrounding the internal areas?

    • A.

      Mesoderm

    • B.

      Endoderm

    • C.

      Ectoderm

    Correct Answer
    A. Mesoderm
    Explanation
    The mesoderm is the correct answer because it is the layer of the embryo that primarily produces the parts surrounding the internal areas. The mesoderm gives rise to various structures such as muscles, bones, connective tissues, and the circulatory system. This layer plays a crucial role in the development of the body's internal organs and structures.

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  • 17. 

    Which layer of embryo primarily produces surface parts?

    • A.

      Ectoderm

    • B.

      Endoderm

    • C.

      Mesoderm

    Correct Answer
    A. Ectoderm
    Explanation
    The ectoderm is the outermost layer of the embryo and primarily produces surface parts. It gives rise to the epidermis, hair, nails, and the nervous system. The endoderm, on the other hand, gives rise to the inner lining of organs such as the digestive tract and respiratory system. The mesoderm, located between the ectoderm and endoderm, gives rise to muscles, bones, connective tissues, and the circulatory system. Therefore, the correct answer is ectoderm.

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  • 18. 

    Organogenesis is the process of organ formation during the first two months of prenatal development.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The statement is true because organogenesis does indeed refer to the process of organ formation during the first two months of prenatal development. This is a critical period in which the organs begin to develop and take shape, setting the foundation for the overall structure and function of the body.

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  • 19. 

    The average weight and length of a baby is 7 lbs. and 20 in.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    8 lbs and 20 in

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  • 20. 

    The germinal period occurs in the first trimester while the embryonic occurs in the second.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    Both germinal and embryonic periods occur in the first trimester

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  • 21. 

    The fetal period begins towards the end of the first trimester, lasting for about 7 months.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The fetal period refers to the stage of prenatal development that starts towards the end of the first trimester and lasts for about 7 months. During this period, the organs and body systems continue to develop and mature. Therefore, the statement that the fetal period begins towards the end of the first trimester and lasts for about 7 months is true.

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  • 22. 

    This term refers to the chances of the fetus to survive outside the womb. It begins at the end of the second trimester.

    • A.

      Viability

    • B.

      Teratogen

    • C.

      Fetal Vitality

    Correct Answer
    A. Viability
    Explanation
    Viability refers to the chances of the fetus to survive outside the womb. It typically begins at the end of the second trimester, around 24 weeks of gestation. This is the point at which the fetus has developed enough to have a reasonable chance of survival if born prematurely. Viability is an important consideration in medical decision-making, as it affects the options available for managing pregnancies and determining the appropriate time for delivery.

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  • 23. 

    The basic architecture of the brain is assembled during the first two trimesters.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    During the first two trimesters of pregnancy, the basic architecture of the brain is formed. This refers to the development of the major structures and connections within the brain. It is during this critical period that the foundation for various cognitive and neurological functions is established. The brain continues to develop after birth, but the initial assembly of its basic structure occurs during the first two trimesters of pregnancy. Therefore, the statement "The basic architecture of the brain is assembled during the first two trimesters" is true.

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  • 24. 

    The third trimester and first year of postnatal life are characterized by gradual increases in connectivity and functioning of neurons

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    It should be the third trimester and first two years of postnatal life

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  • 25. 

    At the peak of neurogenesis, 200,000 neurons are generated per minute.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    During the peak of neurogenesis, the process of generating new neurons, an astonishing 200,000 neurons are produced every minute. This indicates a rapid rate of neuron formation, highlighting the incredible capacity of the brain to create new cells. This continuous generation of neurons is crucial for brain development and function, allowing for learning, memory, and other cognitive processes to take place.

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  • 26. 

    Once the cell reaches its target destination, it must mature and develop a more complex structure.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The given statement is true because once a cell reaches its target destination, it undergoes a process of maturation and development to form a more complex structure. This is a crucial step in the growth and differentiation of cells, where they acquire specific functions and characteristics necessary for their role in the body. Without this maturation process, cells would not be able to fulfill their intended functions and contribute to the overall functioning of the organism.

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