Involuntary, automatic responses to specific external sensory stimulation.
What means reflexes?
True or False: Primitive neonatal reflexes remain active throughout a healthy person's entire adult life.
False.
In the 2 week period of prenatal development characterized by rapid cell division.
What is the germinal stage?
A nurse places a baby on its stomach and notices the infant naturally makes swimming and pushing motions with its legs.
What is the swimming reflex?
A mother's nutrients and oxygen to transfer to the fetus without their blood supplies directly mixing
What is the selective permeability of the placental barrier?
When an infant automatically turns its head in the direction of a touch to its cheek, it is demonstrating the ______ reflex.
What is the rooting reflex?
True or False: Testing infant reflexes allows doctors to assess early central nervous system development.
True.
The specific reflex where a baby extends its big toe and fans out the others when the sole of its foot is stroked.
What is the Babinski reflex?
A pediatrician holds a newborn upright over a table, and the baby begins to move its feet in a walking motion.
What is the walking reflex?
The main negative effect on a baby's brain and body if a mother drinks alcohol during pregnancy.
What is Fetal alcohol spectrum disorder?
When stroked on the sole of the foot, the infant displays the ______ reflex by fanning out its toes.
What is the Babinski reflex?
True or False: A mother's emotional stress levels have zero physical impact on fetal heart rate and development.
False.
Involuntary, automatic responses to specific stimulate present at birth.
What are neonatal reflexes?
A baby lying on its back turns its head to the right, causing its right arm to extend and its left arm to bend like a fencer.
What is the neck reflex?
The primary effect on fetal development when a mother's diet lacks sufficient folic acid during early pregnancy.
What is an increased risk of neural tube defects?
The period from 2 to 8 weeks post conception when the heart begins to beat.
What is the embryonic stage?
True or False: Newborn babies are born with a preference for their mother's voice over unfamiliar voices.
True
The protective structure formed during pregnancy that delivers oxygen and nutrients to the fetus.
What is the placenta?
The baby turns head and suckles when cheek is touched.
What is the rooting reflex?
The main reason why a baby stops doing primitive reflexes (like rooting or grasp) around 6 months of age.
What is brain growth?
The crucial process of organ formation during the first two months of development
What is organogenesis?
Tue or false: The plancenta is the structure formed during pregnancy that delivers oxygen and nutrients to the fetus
True.
The developmental period spanning from the 9th week after conception until birth.
What is the fetal stage?
As soon as a bottle teat or pacifier is placed inside a newborn's mouth, the baby rhythmically presses it with their tongue against the roof of their mouth.
What is the sucking reflex
The primary effect on fetal survival chances when reaching approximately 22 to 26 weeks of gestation.
What is reaching the age of viability (lungs and brain mature enough to survive with medical care)?