and Answers / Guaranteed Pass
How long does prenatal development last for? - Approximately 38 weeks from conception to birth
What are some newborn reflexes? - The rooting reflex - the newborn turns its head toward
someone stroking its cheek.
The sucking reflex - when a finger is placed in the baby's mouth, the baby will
begin to suck. The palmar reflex - When a finger is placed in a newborns hand, the
baby will grasp the finger.
What are some non-teratogenic health concerns? - The mother's medical care and nutrition,
stress and anxiety, the mother's age, and
blood incompatibility.
What are teratogens? What are some examples? - Environmental substances that cause damage
during prenatal development. Some
examples are medications, drugs, cigarettes, alcohol, radiation, pollution, and
infectious disease.
What are the effects from exposure to environmental pollution? - Brain damage, mental
retardation, and low birth weight.
What are the effects of cigarettes on a fetus? - Low birth weight, higher risk of cancer in
childhood, miscarriage, death.
What are the effects of illegal drugs on a fetus? - Low birth weight, numerous defects, death, drug
addiction after birth.
What are the five states of arousal? - Regular sleep, irregular sleep, drowsiness, quite alertness,
and waking activity and