Peritelli Chapter 7, Genetic Assessment And Counseling

Front 1

Identifies whether chromosomal material has come from the male or female parent.

Back 1

Karyotyping

Front 2

Specific point on a chromosome marking the location of a missing or abnormal gene.

Back 2

Imprinting

Front 3

A woman agreeing to undergo artificial insemination by the male partner's sperm and to bear a child for the couple.

Back 3

Surrogate

Front 4

Material of heredity, strands of genes in the nucleus of body cells.

Back 4

Chromosomes

Front 5

When paired with other genes, these genes will always be expressed.

Back 5

Dominant Gene

Front 6

Can be passed from one generation to the next.

Back 6

Genetic disorder

Front 7

Visual inspection of the chromosome pattern of an individual in a display format.

Back 7

Genetic marker

Front 8

Having two like genes for a trait.

Back 8

Homozygous

Front 9

An outward appearance or expression of the genes.

Back 9

Phenotype

Front 10

If "large feet" is a recessive trait and one parent is heterozygous for the trait and the other parent is homozygous for the trait, what are the chances that a child of the union will have large feet?

A. 25% (1 in 4)
B. 50% (2 in 4)
C. 75% (3 in 4)
D. 100% (4 in 4)

Back 10

B. 50% (2 in 4)

Front 11

Which of the following individuals must be heterozygous for the recessive disease trait?

A. Adam, who has no symptoms of the disease but has passed it on to his child.
B. Barbara, who displays no symptoms and has no children with the disease.
C. Peter, who has symptoms of the disease and has an affected child.
D. Wendy, who has symptoms of the disease but has no affected child.

Back 11

A. Adam, who has no symptoms of the disease but has passed it on to his child.

Front 12

Which of the following couples would benefit most from referral for immediate genetic counseling?

A. Tom, age 50, and Alice, who have just discovered they are going to have a baby.
B. Jim and Melissa, who have just had an infant with cystic fibrosis.
C. John and Jean, who want to have a baby but only want a male child.
D. Pete, who has hemophilia, and DeeDee, who have been married for a year and want to have a child?

Back 12

D. Pete, who has hemophilia, and DeeDee, who have been married for a year and want to have a child.

Front 13

What role could the nurse play in genetic counseling?

A. Assess the options available to a couple and select the best ones to present for the couple to choose from.
B. Inform the couple of the procedures they may undergo in genetic screening and in genetic counseling.
C. Instruct parents on the need for an immediate abortion if both parents have the trait for a dominant disease.
D. Limit the information provided to the couple about the genetic defect to avoid influencing their decision.

Back 13

B. Inform the couple of the procedures they may undergo in genetic screening and in genetic counseling.

Front 14

To determine whether a disorder occurred by chance or is carried by family members, a nurse should collect which of the following data?

A. A history of the couple's sexual pattern during the time of conception.
B. As complete a family history of infant deaths or abnormalities as possible.
C. A prenatal history of nausea and reports of back pain in the last trimester.
D. Physical assessment of the infant's eye and hair color.

Back 14

B. As complete a family history of infant deaths or abnormalities as possible.

Front 15

The nurse should explain to the couple undergoing a genetic screening that Barr's body determination is helpful to do which of the following?

A. Allow visualization of an individual's chromosome pattern.
B. Detect chromosomal defects through chorionic villi sampling.
C. Determine the sex of an individual with ambiguous (unclear) genitalia.
D. Provide an analysis of the amniotic fluid and the fetal acid-base balance.

Back 15

C. Determine the sex of an individual with ambiguous (unclear) genitalia.

Front 16

Nursing measures that may be implemented when preparing a woman for amniocentesis should include which of the following?

A. Determine that the woman is in her fifth to eighth week of pregnancy.
B. Discuss the 10% risk for premature labor being stimulated.
C. Support the woman who is beginning to accept the pregnancy and bond with the fetus.
D. Explain that the procedure involves scanning with no invasive measures.

Back 16

C. Support the woman who is beginning to accept the pregnancy and bond with the fetus.

Front 17

Health professionals have a legal and ____________ obligation to share genetic information with the involved couple and no one else.

Back 17

ethical

Front 18

Genetic counseling will inform a couple about the gentic disorder and the chances that their child might _________ it.

Back 18

inherit

Front 19

Select all that apply.
Couples who undergo genetic counseling and are informed they have a genetic abnormality in the family and might have a child with a genetic defect may experience which of the following behaviors?

A. Loss of self-esteem
B. Blame
C. Embarrassment
D. Joy
E. Violence
F. Depression

Back 19

A. Loss of self-esteem
B. Blame
C. Embarrassment
E. Violence
F. Depression

Front 20

Which of the following would be appropriate guidance to give a couple found to be at high risk for producing a child with an inherited disease or defect?

A. Delivery through cesarean section instead of vaginal delivery.
B. Implantation of a donor embryo if the female has the inherited trait.
C. Repair of fetal defects outside the uterus after fertilization.
D. Using the Lamaze method, which would reduce the risk for defects.
E. Knowledge that hemophilia is an illness that can be inherited.

Back 20

E. Knowledge that hemophilia is an illness that can be inherited.