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