Exam 4: Pregnancy and Prenatal Development

Jane is 8 weeks pregnant and has just contracted rubella.If you were Jane's obstetrician,what information would you give her regarding the health of her unborn baby?

The reason babies have short stubby arms and legs but by middle childhood have developed long limbs is due to the cephalocaudal principal.

How much alcohol can a pregnant woman safely consume?

Babies whose mothers drink large amounts of carrot juice in the last trimester are more likely to like carrots.

Doctors have found that increasing a woman's folic acid consumption by just 5 milligrams each day reduces the incidence of __________ by 85 percent.

The rapid division and duplication of cells after fertilization is called mitosis.

Which of the following is NOT an intrusive technique for detecting birth defects?

Only 10-20 percent of fertilized ova become implanted in the uterine wall and continue to develop.

Drugs known to be potentially harmful when taken during pregnancy include

Pregnant women over age 40 and pregnant adolescents are at increased risk for having

Rates of low birth weight and premature birth continue to rise despite policies in prenatal care in the United States.

In which prenatal assessment procedure is tissue taken from the membrane around the embryo?

A pregnant woman feels the movement known as quickening at about the _____ month.

Environmental factors that may produce birth defects are called

Research has linked the use of marijuana during pregnancy with

In the United States,which of the following pregnant women is likely to get the least amount of prenatal care?

Organogenesis is the process during which the organs and major body parts develop rapidly.

Karen and Mark just discovered that they are going to have a baby.They want to give their baby the best possible start.Explain how environmental influences such as maternal nutrition,physical activity,and drug intake can have both positive and negative effects on prenatal development.

The first stage of prenatal development is the embryonic stage.

Which of the following cell groups becomes the outer layer of skin,hair,nails,sensory organs,and nervous system?