Exam 3: Prenatal Development and Birth

The life-support systems for the embryo include the:

Petra is in the fourth month of her pregnancy.Her unborn child is now referred to as a(n):

The fetus that Calista is carrying has reached the age of viability,meaning that it has a chance of surviving outside of the womb.Therefore,it can be inferred that Calista is _____ weeks pregnant.

The following person is a care giver who provides continuous physical,emotional,and educational support for the mother before,during,and after childbirth.

Sarah is a 20-year-old college student who is paralyzed from the waist down.She can walk with difficulty using crutches,but prefers her wheelchair.Sarah tells you that her condition is due to a birth defect that occurs when the neural tube fails to close during gestation.Which of the following birth defects does Sarah most likely have?

The long hollow tube formed by the mother's nervous system and located on the embryo's back is called:

The _____ is the outer layer of cells of the blastocyst that later provides nutrition and support for the embryo.

What does a very low score on the Brazelton National Behavioral Assessment Scale (NBAS)indicate?

The blastocyst is composed of an inner layer of cells that develops during the germinal period and that will finally develop into the

When the _____ is delivered,estrogen and progesterone levels drop steeply and remain low until the ovaries start producing hormones again.

_____ replaces traditional 15-minute physician visits with 90-minute peer group support settings and self-examination led by a physician or certified nurse-midwife.

Which of the following is a consequence of maternal smoking during pregnancy?

Naveen is entering the third stage of childbirth,also known as the _____ stage.

Children born low in birth weight are more likely than their normal birth weight counterparts to develop all of the following,EXCEPT:

The _____ consists of three layers of cells: the endoderm,the mesoderm,and the ectoderm.

Which of the following is true of the stages of childbirth?

Malorie was born during her mother's 32nd week of pregnancy.Malorie would be termed a(n)_____ baby.

Sergio's wife is pregnant,but he smokes all the time inside the house.Cigarette smoke has been known to cause birth defects and negatively alter cognitive and behavioral outcomes in unborn babies.Sergio is exposing his child to which type of agent?

Gisela is having her first baby and has received a drug that will numb the entire lower area of her body during labor.Gisela has been given a(n):

_____ refers to the attachment of the zygote to the uterine wall.