Question 1

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.)

Accepted Answer

A)   intrauterine limb amputations.
B)   clubfoot.
C)   delayed lung development.
D)   other fetal abnormalities.
E)   fetal deformations. B,C,D

Question 2

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

Accepted Answer

A)   the child has a 25% chance of being affected.
B)   the child will be a carrier, like the parents.
C)   the child has a 50% chance of being affected.
D)   one of four of their children will be affected.

Question 3

The generalist nurse working with child-bearing families understands that his or her practice related to genetics includes which of the following? (Select all that apply.)

Accepted Answer

A)   Identifying families at risk and providing referrals
B)   Interpreting genetic test results for the family
C)   Assessing the couple's concern about genetic alterations
D)   Helping create a family tree or pedigree
E)   Providing support in all phases of genetic counseling

Question 4

Which statement is true of multifactorial disorders?

Accepted Answer

A)   They may not be evident until later in life.
B)   They are usually present and detectable at birth.
C)   The disorders are characterized by multiple defects.
D)   Secondary defects are rarely associated with multifactorial disease.

Question 5

A couple has been counseled for genetic anomalies.They ask the nurse,"What is karyotyping?" Which of the following is the nurse's best response?

Accepted Answer

A)   "Karyotyping will reveal if the baby's lungs are mature."
B)   "Karyotyping will reveal if your baby will develop normally."
C)   "Karyotyping will provide information about the number and structure of the chromosomes."
D)   "Karyotyping will detect any physical deformities the baby has."

Question 6

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 lifestyle changes?

Accepted Answer

A)   "You have made some great progress toward having a healthy baby. Let's talk about the changes you have made."
B)   "You need to do a lot better than that. You may still be hurting your baby right now."
C)   "Here are some pamphlets for you to study. They will help you find more ways to improve."
D)   "Those few things won't cause any trouble. Good for you."

Question 7

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

Accepted Answer

A)   normal male.
B)   male with Down syndrome.
C)   normal female.
D)   female with Turner syndrome.

Question 8

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

Accepted Answer

A)   genetic disorders equally affect people of all socioeconomic backgrounds, races, and ethnic groups.
B)   genetic health care is more concerned with populations than individuals.
C)   the most important related nursing function is providing emotional support to the family during counseling.
D)   taking genetic histories is usually only done at large universities and medical centers.

Question 9

The nurse knows that which of the following chromosomal abnormalities are structural in nature? (Select all that apply.)

Accepted Answer

A)   Part of a chromosome is missing.
B)   The material within a chromosome is rearranged.
C)   One or more sets of chromosomes are added.
D)   An entire single chromosome is added.
E)   Two chromosomes adhere to each other.

Question 10

The nurse is working in an OB/GYN office and commonly obtains patient histories and performs initial assessments.Which woman is likely to be referred for genetic counseling after her first visit?

Accepted Answer

A)   A pregnant woman who will be 40 years or older when her infant is born
B)   A woman whose partner is 41 years of age
C)   A patient who carries a Y-linked disorder
D)   An anxious woman with a normal quadruple screening result

Question 11

How can a woman avoid exposing her fetus to teratogens?

Accepted Answer

A)   Update her immunizations during the first trimester of her pregnancy.
B)   Use saunas and hot tubs during the winter months only.
C)   Use only class A drugs during her pregnancy.
D)   Use alcoholic beverages only in the first and third trimesters of pregnancy.

Question 12

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

Accepted Answer

A)   more severely affected by the disorder than will people with one copy of the gene.
B)   infertile and unable to transmit the gene.
C)   carriers of the trait but not affected with the disorder.
D)   mildly affected with the disorder.

Question 13

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

Accepted Answer

A)   "How many people in your family are mentally retarded or handicapped?"
B)   "What kinds of defects or diseases seem to run in the family?"
C)   "Did you know that you can always have an abortion if the fetus is abnormal?"
D)   "Are there any family members who have learning or developmental problems?"

Question 14

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?

Accepted Answer

A)   "The doctor will tell me if I should have an abortion when the test results come back."
B)   "I know support groups exist for parents who have a baby with birth defects, but we have plenty of insurance to cover what we need."
C)   "When all the lab results come back, my husband and I will make a decision about the pregnancy."
D)   "My mother must not find out about all this testing. If she does, she will think I'm having an abortion." C

Question 15

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

Accepted Answer

A)   both A and B blood types are dominant.
B)   the baby has a mutation of the parents' blood types.
C)   type A is recessive and links more easily with type B.
D)   types A and B are recessive when linked together. A

Question 16

A nurse is creating a pedigree for a couple whose son has Tay-Sachs disease.What information from the pedigree would the nurse most likely find?

Accepted Answer

A)   Parental consanguinity
B)   Disease has skipped a generation.
C)   Only men have had this disorder.
D)   Only women have had this disorder.

Question 17

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

Accepted Answer

A)   Diagnosis can be obtained promptly through most hospital laboratories.
B)   Common disorders can quickly be diagnosed through blood tests.
C)   A comprehensive evaluation will result in an accurate diagnosis.
D)   Diagnosis may be slow and could be inconclusive.

Question 18

A nurse is seeing a pregnant woman who has had genetic testing on her unborn fetus and has been given the results.The nurse notes the results confirm that the husband could not be the father.What action by the nurse is best?

Accepted Answer

A)   Do not discuss this information with the mother.
B)   Inform the mother genetic testing does not establish paternity.
C)   Call the husband immediately to break the news.
D)   Be available and offer support as the mother absorbs the news.

Question 19

The faculty member teaches students that which of the following are examples of autosomal recessive disorders or traits? (Select all that apply.)

Accepted Answer

A)   Blood group O
B)   Tay-Sachs disease
C)   Huntington disease
D)   Neurofibromatosis
E)   Hemophilia A

Question 20

A maternal-newborn nurse is 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?

Accepted Answer

A)   Disturbed body image
B)   Interrupted family processes
C)   Anxiety
D)   Risk for injury

Exam 10: Hereditary and Environmental Influences on Development

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.)

Correct AnswerverifiedB,C,D

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

Correct AnswerverifiedShow Answer

The generalist nurse working with child-bearing families understands that his or her practice related to genetics includes which of the following? (Select all that apply.)

Correct AnswerverifiedShow Answer

Which statement is true of multifactorial disorders?

Correct AnswerverifiedShow Answer

A couple has been counseled for genetic anomalies.They ask the nurse,"What is karyotyping?" Which of the following is the nurse's best response?

Correct AnswerverifiedShow Answer

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 lifestyle changes?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The nurse knows that which of the following chromosomal abnormalities are structural in nature? (Select all that apply.)

Correct AnswerverifiedShow Answer

The nurse is working in an OB/GYN office and commonly obtains patient histories and performs initial assessments.Which woman is likely to be referred for genetic counseling after her first visit?

Correct AnswerverifiedShow Answer

How can a woman avoid exposing her fetus to teratogens?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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?

Correct AnswerverifiedC

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

Correct AnswerverifiedA

A nurse is creating a pedigree for a couple whose son has Tay-Sachs disease.What information from the pedigree would the nurse most likely find?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

A nurse is seeing a pregnant woman who has had genetic testing on her unborn fetus and has been given the results.The nurse notes the results confirm that the husband could not be the father.What action by the nurse is best?

Correct AnswerverifiedShow Answer

The faculty member teaches students that which of the following are examples of autosomal recessive disorders or traits? (Select all that apply.)

Correct AnswerverifiedShow Answer

A maternal-newborn nurse is 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?

Correct AnswerverifiedShow Answer

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C

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A

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