Prenatal and neonate development Flashcards
What are the three main stages of prenatal development?
Germinal period, embryotic period, fetal period.
What are teratogens?
Any disease, drug or other environmental agent that can harm a developing fetus.
What are the factors that modulate the effect of teratogens?
Dosage&duration, genetic makeup, prenatal and postnatal environment.
What starts to develop at the 3rd week of the prenatal period?
CNS, heart.
What starts to develop at the 4th week of the prenatal period?
Eyes, legs.
What starts to develop at the 5th week of the prenatal period?
Arms.
What starts to develop at the 6th week of the prenatal period?
Ears, teeth.
What is Quasthoff’s condition?
A result from taking a specific drug (thalidomide) during pregnancy?
What are the methods of studying babies?
Preferential looking, habituation, eye movement, visual evoked potentials (VEP)
At what age oculomotor nerve function is almost at the speed of an adult?
6-8 weeks of age.
At approximately what age visual aquity in young children is almost the same as in adults?
6 months - 1 year.
What colors can newborns see?
Red, yellow, green.
At what age the color perception of a young child is adult-like.
3-4 months of age.
At what age binocular cues for depth perception are reliable?
3 months.
At what age monocular cues for depth perception (interposition or occlusion) are understood?
About 7 months.
