Question 1

When caring for a young adult patient who has abnormalities in the cytochrome P450 (CYP 450)gene,which action will the nurse include in the patient's plan of care?

Accepted Answer

A)   Teach that some medications may not work as effectively.
B)   Teach about genetic risk for cystic fibrosis in any children.
C)   Suggest that the patient make heart healthy lifestyle choices.
D)   Discuss the need for screening mammograms starting at age 30. A

Question 2

A patient tells the nurse,"I would like to use a home genetic test to see if I will develop breast cancer." Which response by the nurse is best?

Accepted Answer

A)   "Home genetic testing is very expensive."
B)   "Are you concerned about developing breast cancer?"
C)   "Won't you be depressed if the testing shows a positive result?"
D)   "Genetic testing can only determine if you are at higher risk for breast cancer." B

Question 3

The sister of a patient diagnosed with BRCA gene-related breast cancer asks the nurse,"Do you think I should be tested for the gene?" Which response by the nurse is most appropriate?

Accepted Answer

A)   "In most cases, breast cancer is not caused by the BRCA gene."
B)   "It depends on how you will feel if the test is positive for the BRCA gene."
C)   "There are many things to consider before deciding to have genetic testing."
D)   "You should decide first whether you are willing to have a bilateral mastectomy." C

Question 4

A male patient with hemophilia asks the nurse if his children will be hemophiliacs.Which response by the nurse is appropriate?

Accepted Answer

A)   "All of your children will be at risk for hemophilia."
B)   "Hemophilia is a multifactorial inherited condition."
C)   "Only your male children are at risk for hemophilia."
D)   "Your female children will be carriers for hemophilia."

Question 5

A patient with a family history of cystic fibrosis (CF)asks for information about genetic testing.Which response by the nurse is most appropriate?

Accepted Answer

A)   Refer the patient to a qualified genetic counselor.
B)   Ask the patient why genetic testing is so important.
C)   Remind the patient that genetic testing has many social implications.
D)   Tell the patient that cystic fibrosis is an autosomal recessive disorder.

Question 6

When counseling a couple in which the man has an autosomal recessive disorder and the woman has no gene for the disorder,the nurse uses Punnett squares to show the couple the probability of their having a child with the disorder.Which statement by the nurse is most appropriate?

Accepted Answer

A)   "You should consider adoption."
B)   "Your children will be carriers of the disorder."
C)   "Your female children will display characteristics of the disorder."
D)   "Your first-born child will likely display characteristics of the disorder."

Question 7

The nurse in the outpatient clinic has obtained health histories for these new patients.Which patient may need referral for genetic testing?

Accepted Answer

A)   35-year-old patient whose maternal grandparents died after strokes at ages 90 and 96
B)   18-year-old patient with a positive pregnancy test whose first child has cerebral palsy
C)   34-year-old patient who has a sibling with newly diagnosed polycystic kidney disease
D)   50-year-old patient with a history of cigarette smoking who is complaining of dyspnea

Exam 9: Genetics and Genomics

When caring for a young adult patient who has abnormalities in the cytochrome P450 (CYP 450) gene,which action will the nurse include in the patient's plan of care?

A patient tells the nurse,"I would like to use a home genetic test to see if I will develop breast cancer." Which response by the nurse is best?

The sister of a patient diagnosed with BRCA gene-related breast cancer asks the nurse,"Do you think I should be tested for the gene?" Which response by the nurse is most appropriate?

A male patient with hemophilia asks the nurse if his children will be hemophiliacs.Which response by the nurse is appropriate?

A patient with a family history of cystic fibrosis (CF) asks for information about genetic testing.Which response by the nurse is most appropriate?

When counseling a couple in which the man has an autosomal recessive disorder and the woman has no gene for the disorder,the nurse uses Punnett squares to show the couple the probability of their having a child with the disorder.Which statement by the nurse is most appropriate?

The nurse in the outpatient clinic has obtained health histories for these new patients.Which patient may need referral for genetic testing?