CH 8

A nurse is obtaining health history from a client with a genetic disorder. Which of the following would be most appropriate for the nurse to establish the pattern of inheritance?

Construct a pedigree of the client's family.

A nurse is assessing a client with an autosomal-recessive inherited condition. When discussing the risk of transmission to the client's offspring, what teaching would the nurse include?

Each child has a 25% risk of inheriting the gene.

A nurse assessing a client's genetic risk for a particular disease uses a pedigree chart for visual aid. What is a benefit of the pedigree chart?

It may motivate a client in health-promoting behaviors.

A newborn infant's mother requests more information on how the infant has red hair when only a "few" individuals in the family has this trait. What term does the nurse understand the client is speaking about?

Phenotype

The nurse working in the labor and delivery unit prepares to test for which condition as a part normal newborn screening?

Phenylketonuria

Which condition is tested for as a part of normal newborn screening?

Phenylketonuria

A female client is a carrier for a gene mutation on one of her X chromosomes. Her spouse is unaffected. The nurse understands that which of the following is most likely?

The client's sons have a 50% chance of being affected.

What target cultural population is a priority for the nurse to educate about prevention of hypertension?

African Americans

A nurse is caring for a client with a genetic disorder. The client tells the nurse, "I'm scared I'm going to lose my insurance if they find out I have this disease." What is the nurse's best response?

"HIPAA prohibits the use of genetic information for insurance eligibility."

A client has an autosomal-dominant disorder. His wife is unaffected. When explaining the risk for inheritance of the disorder in their offspring, which statement by the nurse would be most appropriate?

"There is a 50% chance that each of your children will have the condition."

A nurse is obtaining a genetic family history of a client. The nurse collects information about family members going back at least how many generations?

3

A patient understands that her diagnosis of ovarian cancer syndrome is an autosomal-dominant inherited condition. What is the chance that her daughter will inherit the gene mutation for this disease?

50%

A nurse is reviewing the medical record of a patient who has just learned that she is pregnant. Which of the following would the nurse identify as being least likely to indicate a need for a genetic evaluation referral?

Age 33 years at expected delivery

A couple is considering starting a family but is concerned about the risk of Tay-Sachs disease. What cultural group does the nurse understand is most at risk for the disease?

Ashkenazi Jewish

Cystic fibrosis is a condition passed on through which type of inheritance?

Autosomal recessive

The nurse is planning an educational program on cystic fibrosis. The nurse should include information explaining that cystic fibrosis is an example of which type of inherited conditions?

Autosomal recessive

A nurse working as part of a genetics counseling team is preparing a presentation for a career day discussion at a local college of nursing. When describing the genomic framework for nursing, which of the following would the nurse include as being most important?

Being keenly aware of one's own attitudes and assumptions about genetics and genomics

The nurse is providing client education to a pregnant woman regarding genetic testing for Down syndrome. The nurse determines that the client understands the teaching when the client states that diagnostic testing for Down syndrome includes which test?

Chromosomal analysis

The nurse in a genetics clinic is working with a young African American couple contemplating having children. Preconception screening should be conducted for which condition?

Cystic fibrosis

The nurse is working with a 40-year-old pregnant woman about to undergo amniocentesis. The nurse provides appropriate education by stating that amniocentesis is performed for a prenatal diagnosis of which condition?

Cystic fibrosis

Which genetic test would be used to detect cystic fibrosis?

DNA analysis

Nondisjunction of a chromosome results in which diagnosis?

Down syndrome

Which is the first step in establishing a pattern of inheritance?

Pedigree

Parents request that a test be done to determine if the fetus has Down syndrome. What type of test does the nurse anticipate the physician will order?

Prenatal screening

To ensure ethical nursing care when dealing with genetic and genomic information, which principle would the nurse integrate as the foundation for all nursing care?

Respect for people

A nursing student is preparing an oral presentation on cell division. Which of the following would the student include when describing meiosis? Select all that apply.

Results in haploid daughter cells Occurs in the sex cells Leads to a reduction in number of chromosomes

After assessing a client's family history, the nurse determines the need for a genetic referral based on which of the following?

Several relatives diagnosed with colon cancer

A nurse is assessing a couple of Ashkenazi Jewish descent. The nurse understands that carrier testing for which condition would be least appropriate for this couple?

Sickle-cell disease

A nurse working at a clinic interprets which treatment plan as a sign that clinic has transitioned to a genomic approach to personalized medicine?

Treatment of underlying genetic causes of disease

The aim of genomic medicine is

to improve predictions about individuals' susceptibility to diseases.