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A woman who has a recessive gene for sickle cell anemia marries a man who also has a
recessive gene for sickle cell anemia. Their first child is born with sickle cell anemia. The chance
that their second child will develop this disease is - correct answer ✔✔1 in 4.
The nurse prepares a couple to have a karyotype performed. What describes a karyotype? -
correct answer ✔✔a visual presentation of the chromosome pattern of an individual
When assessing newborns for chromosomal disorders, which assessment would be most
suggestive of a problem? - correct answer ✔✔low-set ears
Down syndrome may occur because of a translocation defect. This means the: - correct answer
✔✔additional chromosome was inherited because it was attached to a normal chromosome.
An 18-year-old pregnant woman asks the nurse why she has to have a routine alpha-fetoprotein
serum level drawn. The nurse explains that this: - correct answer ✔✔may reveal chromosomal
abnormalities.
When describing the characteristics of the amniotic fluid to a pregnant woman, the nurse would
include which information? - correct answer ✔✔The amount gradually fluctuates during
pregnancy.
A pregnant client has heard about Down syndrome and wants to know about the risk factors
associated with it. What would the nurse include as a risk factor? - correct answer ✔✔advanced
maternal age
, A couple wants to start a family. They are concerned that their child will be at risk for cystic
fibrosis because they each have a cousin with cystic fibrosis. They are seeing a nurse
practitioner for preconceptual counseling. What would the nurse practitioner tell them about
cystic fibrosis? - correct answer ✔✔It is an autosomal recessive disorder.
A client who is 37 years of age presents to the health care clinic for her first prenatal checkup.
Due to her advanced age, the nurse should prepare to talk with the client about her increased
risk for what complication? - correct answer ✔✔genetic disorders
What should the nurse explain to the pregnant client about the importance of the fetal stage of
development? - correct answer ✔✔There is additional growth and development of the organs
and body systems.
A nursing student correctly identifies that a person's outward appearance or expression of
genes is referred to as the: - correct answer ✔✔phenotype.
A couple has just learned that their son will be born with Down syndrome. The nurse shows a
lack of understanding when making which statement? - correct answer ✔✔"I will alert your
entire family about this so you don't have to."
A woman is taking vaginal progesterone suppositories during her first trimester because her
body does not produce enough of it naturally. She asks the nurse what function this hormone
has in her pregnancy. What should the nurse explain is the primary function of progesterone? -
correct answer ✔✔maintains the endometrial lining of the uterus during pregnancy
A pregnant patient has been counseled to have an amniocentesis. For which genetic conditions
should the nurse instruct the patient that this diagnostic test will detect? - correct answer
✔✔Trisomy 21
The nurse is teaching a patient in the first trimester of pregnancy about the importance of folic
acid in the diet and how folic acid supplements might be beneficial. For which reason is the