Exam 3: Fetal Development

During an ultrasound, two amnions and two placentas are observed. The nurse is aware that this pregnancy will result in _____ twins.

In fetal circulation, the purpose of the ductus venosus is to bypass the:

The nurse explains that if one parent has a dominant gene and the other parent does not, the percentage of children carrying the dominant gene will be:

The embryonic membrane that contains fingerlike projections on its surface, which attach to the uterine wall, is the:

The nurse explains to a pregnant patient that blood is circulating through the placenta to the fetus by way of:

Using a diagram, the nurse points out the most common site for fertilization, which is the:

A pregnant woman states, "My husband hopes I will give him a boy because we have three girls." The nurse explains that:

The nurse explains that monozygotic twins are frequently below average birth weight because of inadequate:

The normal umbilical cord is comprised of:

The total number of chromosomes contained in a mature sperm or ovum is:

The school nurse counseling a group of adolescent girls states that sperm ejaculated near the cervix:

The nurse explains that survival of the X and Y bearing sperm after intercourse can be affected by the woman's:

At what point in prenatal development do the lungs begin to produce surfactant?

The nurse explains that prior to fertilization each cell is reduced from 46 chromosomes to 23 chromosomes. This is referred to as the __________ number.

A nurse is teaching a class on fetal development to a class of high school students and explains the primary germ layers. What are the germ layers? Select all that apply.

Untreated respiratory distress in the newborn could cause which complication?

The nurse explains that the usual location for implantation of the zygote is the:

The nurse explains that the hormone responsible for converting the endometrium into decidual cells for implantation is:

The nurse informs a class of expectant parents that the fetus is first considered viable at the age of _____ weeks.

When preparing to teach a class about prenatal development, the nurse would include information about folic acid supplementation because it is known to prevent: