PREP U

A nurse is interviewing the family members of a pregnant client to obtain a genetic history. While asking questions, which information would be most important?

if couples are related to each other or have blood ties

A woman tells the nurse that she is going to use a home pregnancy test to determine whether she is pregnant. Which precautions should the nurse give her?

Arrange for prenatal care if the test is positive.

When educating parents on recessive genetic disease statistics, the nurse understands that which statement by the parents indicates an accurate understanding of genetic inheritance?

Each child will have a 25% chance of developing the disease

The placenta is the site where antibodies in the mother's blood pass into the fetal circulation. These antibodies give passive immunity to the fetus for several common childhood diseases. There are some infections for which the mother does not provide antibodies to the fetus. What infection is the fetus not protected from?

Rubella

A baby is born with what the primary care provider believes is a diagnosis of trisomy 21. This means that the infant has three number 21 chromosomes. What factor describes this genetic change?

The client has a nondisjunction occurring during meiosis.

A nursing instructor identifies a further need for instruction in regards to the three stages of fetal development when a nursing student makes which statement?

The pre-embryonic stage begins approximately 2 weeks after fertilization

During a preconception class on healthy conception and pregnancy awareness, a couple asks the nurse for information on conception. Which response made by the nurse is correct?

There are more than 200 million sperm in ejaculated semen.

Down syndrome may occur because of a translocation defect. This means the:

additional chromosome was inherited because it was attached to a normal chromosome

Cystic fibrosis is an example of which type of inheritance?

autosomal recessive

The nursing instructor is preparing a class presentation covering the various hormones and their functions during pregnancy. The instructor determines the class is successful when the class correctly matches which function with hCG?

continues progesterone production by corpus luteum

During pregnancy a woman has many psychological adaptations that must be made. The nurse must remember that the baby's father is also experiencing the pregnancy and has adaptations that must be made. Some fathers actually have symptoms of the pregnancy along with the mothers. What is this called?

couvade syndrome

What is a positive sign of pregnancy?

fetal movement felt by examiner The positive signs of pregnancy are fetal image on sonogram, hearing a fetal heart rate, and examiner feeling fetal movement. A pregnancy test may come back as a false positive. Hegar's sign is a softening of the uterine isthmus. Uterine contractions may occur at any time.

A nurse assesses that a 7-year-old male client has a prominent lower jaw, large ears, speech deficits, and displays hyperactivity. The nurse identifies this as being most likely related to which diagnosis?

fragile X syndrome

A female client has the Huntington's disease gene. She and her husband want to have a child but are apprehensive about possibly transmitting the disease to their newborn child. They have strong views against abortion. They would also like to have their "own" child and would consider adopting only as a last resort. Which action would be most appropriate in this situation?

opting for a preimplantation genetic diagnosis