Practice Quiz - Introduction to Development

  1. Parturition divides ontogeny into a prenatal period and a postnatal period.
    true
    false
  2. A plane passing through the body that divides the body into equal right and left halves is called a _________.
    coronal
    transverse
    sagittal
    medial
    vertical
  3. A developmental increase in mass is called:
    histogenesis
    morphogenesis
    growth
    proliferation
    fertilization
  4. Diversity of form is brought about by:
    differential rates of growth
    metaplasia
    absolute growth
    protoplasmic synthesis
    none of the above
  5. Of the following, factor(s) controlling growth is/are:
    temperature
    hormones
    nutritional factors
    heredity
    all of the above
  6. Specific morphogenetic processes include:
    cell migration
    fusion and splitting
    folding
    differential growth
    all of the above
  7. Select the best term describing the hand in reference to the arm:
    ventral
    posterior
    inferior
    distal
    proximal
  8. In the adult, it is stated that the thorax is superior to the abdomen. The corresponding term for an embryo is:
    dorsal
    cranial
    caudal
    posterior
    inferior
  9. The embryonic period begins at fertilization and ends at the end of the eighth week post-conception.
    true
    false
  10. One of the characteristics of humans that complicate the act of childbirth is the relatively large head of the newborn. This is because the brain does not grow after birth.
    true
    false
  11. How is estimated delivery date calculated by Naegle's Rule?
    LNMP + 3 months +1 year
    LNMP - 3 months + 1 year + 1 week
    LNMP - 3 months + 1 year - 1 week
    Date of fertilization + 3 months + 1 year + 1 week
    Date of fertilization - 3 months + 1 year + 1 week
  12. What is the order at which the following are developed?
    Embryo -> Blastocyst -> Morula -> Zygote
    Zygote -> Blastocyst -> Morula -> Embryo
    Zygote -> Morula -> Blastocyst -> Embryo
    Morula -> Blastocyst -> Zygote -> Embryo
  13. When is the critical period at which primordial of all organ systems are established?
    Embryonic period - weeks 3-8
    Embryonic period - weeks 9-38
    Fetal period - weeks 3-8
    Fetal period - weeks 9-38