10 Questions
During which stage of prenatal development does organogenesis occur?
Embryonic stage
What is the function of the placenta during prenatal development?
Facilitate the transfer of nutrients, gas exchange, and waste removal between the fetus and mother’s blood
Which structure grows into the brain and spinal cord during prenatal development?
Neural tube
What is the significance of the amnion during prenatal development?
It is a bag of amniotic fluid that controls temperature and humidity
What process involves trimming of excessive cells in highly specific patterns during prenatal development?
Cell death (apoptosis)
During which stage of prenatal development does the growth slow down and the digestive and respiratory systems start working?
28 weeks
Which factor influences prenatal development by causing harm during the prenatal period?
Teratogens
What timing of exposure to teratogens is considered critical for the development of ears, eyes, and limbs?
4 - 6 weeks
What factor increases the risk of Down syndrome and low birth weight in offspring?
Father's age
Which environmental factor can easily transfer across the placenta and result in miscarriage, preterm birth, and lower intelligence in offspring?
Mercury from fish
Test your knowledge about the major achievements and processes during the germinal stage of prenatal development, which includes rapid cell division, formation of blastocyst and trophoblast, implantation into the uterine wall, and the development of the amnion and placenta.
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