Chapter 4: Pregnancy and Prenatal Development
Embryonic stage
2 to 8 weeks the organs and major systems- respiratory, digestive, and nervous-develop rapidly
Proximodistal principle
Development proceeds from parts near the center of the body to outer ones. Embryos heard and trunk develop before the limbs, and the arms and legs before the fingers and toes
Exercise during pregnancy is recommended to help all of the following EXCEPT?
Facilitate a cesarean section
____________ during pregnancy is associated with infant mortality, low-birth weights, smaller head circumference, and schizophrenia.
Malnutrition
Which of them are associated with malnutrition during pregnancy?
Smaller head circumference Schizophrenia Low birth weight
Which of the following prescription drugs can function as teratogens?
antibiotics, hormones acne medications
Melinda is 3 weeks pregnant. The developing is in the __________ stage.
embryonic
The period that occurs from about 2 weeks to 8 weeks is known as the ______________ period
embryonic
One aspect of maternal nutrition that is important for normal prenatal development is the B-complex vitamin called ________
folic acid
The attachment of the zygote to the uterine wall is referred to as
implantation
Which of the following is NOT a risk of a mother gaining too much weight during pregnancy
infant born premature
In one study, heavy smoking during pregnancy was linked to ___________ birth weight babies
low
The principle that explains why infant Jenny's arm and legs are developing more rapidly than her fingers and toes is called
proximodistal
An increase of sucking by the fetus when sweet substances are introduced into the amniotic fluid suggests that the sense of ________ is present before birth
taste