Exam 4: The Prenatal Period and Birth

What are teratogens? What are the principles of teratology?

The support organ that is formed by cells from both the blastocyst and the uterine lining and serves as an exchange site for oxygen,nutrients,and waste products is called the

The period in development that follows birth is called the ________ period.

Ming's egg has been fertilized for four days.By now,the zygote has formed two differentiated groups of cells that will become either the embryo or the nutritive support for the embryo.Ming's zygote is now called a

Natural childbirth programs are based on the belief that

An infant who develops normally before birth but is then underweight because of a premature birth is classified as

If an ovum is present sperm seem attracted to it.

Which of the following is not a function of amniotic fluid?

Which of the following is not considered a teratogen?

Approximately 5 percent of women in the United States use illicit drugs during pregnancy.

The rapid growth of the cerebral hemispheres and the increased speed of neural functions due to myelinization occur during the

The fetus receives substances that the mother ingests or inhales via

Prenatal development is defined as the period in development

Brandy is a recovering alcoholic who drank during her pregnancy.The degree of exposure the fetus received is related to the extent of damage.This is known as the principle of access.

Procedures practiced during pregnancy and childbirth that are designed to minimize pain and reduce the need for medication during delivery are called ________ childbirth.

There are four traditional stages to labor.

The most recent assault on the problem of low-birth weight infants has taken the form of

What is cytomegalovirus and why is it considered a teratogen?

Which of the following is the correct order of events in the germinal period of development?

Death,premature birth,and nervous system defects are especially prevalent if malnutrition occurs during the second trimester of pregnancy.