Exam 10: Hereditary and Environmental Influences on Development

The nurse is working in an OB/GYN office,where part of her duties include obtaining a patient's history and performing an initial assessment.Which woman is likely to be referred for genetic counseling after her first visit?

The ____________________ Project is an international effort begun in 1990 for the purpose of identifying all 46 human chromosomes.

People who have two copies of the same abnormal autosomal dominant gene will usually be

Mechanical forces that interfere with normal prenatal development include oligohydramnios and fibrous amniotic bands.A patient at 34 weeks of gestation has reported to the OB triage unit for assessment of oligohydramnios.The nurse assigned to care for this patient is aware that prolonged oligohydramnios may result in (select all that apply)

Chromosomes are composed of genes,which are composed of DNA.Abnormalities are either numerical or structural in nature.Which abnormalities are structural? Select all that apply.

Which statement should a counselor make when telling a couple about the prenatal diagnosis of genetic disorders?

A woman tells the nurse at a prenatal interview that she has quit smoking,only has a glass of wine with dinner,and has cut down on coffee to four cups a day.What response by the nurse will be most helpful in promoting a lifestyle change?

How can a woman avoid exposing her fetus to teratogens?

Which question by the nurse will most likely promote sharing of sensitive information during a genetic counseling interview?

A baby is born with blood type AB.The father is type A,and the mother is type B.The father asks why the baby has a blood type different from those of his parents.The nurse's answer should be based on the knowledge that

The nurse who has chosen to work in the field of genetics must have a clear understanding of genetic abnormalities when counseling parents.The nurse is explaining a single gene abnormality to new parents and states,"Although you are second cousins,you are at no greater risk for having a child with a genetic disorder."

A couple has been counseled for genetic anomalies.They ask you,"What is karyotyping?" Your best response is

You are a maternal-newborn nurse caring for a mother who just delivered a baby born with Down syndrome.What nursing diagnosis is the most essential in caring for the mother of this infant?

Which statement is true of multifactorial disorders?

A change in a gene that alters or harms function is known as a mutation.In contrast,an alternate healthy form of a gene is known as a ___________.

The karyotype of a person is 47,XY,+21.This person is a

A 35-year-old woman has an amniocentesis performed to find out whether her baby has a chromosome defect.Which statement by this patient indicates that she understands her situation?

In practical terms regarding genetic health care,nurses should be aware that

Both members of an expectant couple are carriers for phenylketonuria (PKU),an autosomal recessive disorder.In counseling them about the risk to their unborn child,the nurse should tell them that

Nurses who work in a high-risk perinatal setting may occasionally care for a pregnant woman who is given a specific drug for the sole purpose of fetal therapy,that is,cardiac medications.Is this statement true or false?