Exam 3: Fetal Development

What does the nurse explain can affect the survival of the X- and Y-bearing sperm after intercourse?

Of what is the normal umbilical cord comprised?

The school nurse is counseling a group of adolescent girls.What does the nurse explain about sperm ejaculated near the cervix?

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

What are the functions of amniotic fluid? (Select all that apply. )

A nurse is teaching a lesson 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. )

The nurse is presenting a conference on gene dominance.What does the nurse report as the percentage of children carrying the dominant gene if one parent has a dominant gene and the other parent does not?

Which hormone is responsible for converting the endometrium into decidual cells for implantation?

Where is the usual location for implantation of the zygote?

When preparing to teach a class about prenatal development,the nurse would include information about folic acid supplementation.What is folic acid known to prevent?

The normal volume of amniotic fluid is approximately _______________ mL at 37 weeks' gestation.

The nurse is educating a class of expectant parents about fetal development.What is considered fetal age of viability?

The embryo is termed a fetus at which stage of prenatal development?

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

A patient at the obstetric office has just learned she is pregnant with dizygotic twins.What facts will the nurse include when educating this patient? (Select all that apply. )

What organ does the ductus venosus shunt blood away from in fetal circulation?

A couple just learned they are expecting their first child and are curious if they are having a boy or a girl.At what point of development can the couple first expect to see the sex of their child on ultrasound?

The nurse explains that the birth weight of monozygotic twins is frequently below average.What is the most likely cause?

A pregnant woman states,"My husband hopes I will give him a boy because we have three girls." What will the nurse explain to this woman?

A woman who is 25 weeks pregnant asks the nurse what her fetus looks like.What does the nurse explain is one physical characteristic present in a 25-week-old fetus?