Chapter 27: NURS 340 Preparation For The Nclex Questions and Answers,100% CORRECT
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Chapter 27: NURS 340
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Chapter 27: NURS 340
Chapter 27: NURS 340 Preparation For The Nclex Questions and Answers
Origin: Chapter 27, 1
1. The nurse is teaching a couple about the pros and cons of genetic testing. Which statement best describes the capabilities of genetic testing?
A) "Various genetic tests help the physician choose approp...
chapter 27 nurs 340 preparation for the nclex questions and answers
1 the nurse is teaching a couple about the pros and cons of genetic testing which statement best describes the capabilities of ge
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Chapter 27: NURS 340 Preparation For The Nclex Questions
and Answers
Origin: Chapter 27, 1
1. The nurse is teaching a couple about the pros and cons of genetic
testing. Which statement best describes the capabilities of genetic
testing?
A) "Various genetic tests help the physician choose appropriate
treatments."
B) "Genetic testing helps couples avoid having children with fatal
diseases."
C) "Genetic tests identify people at high risk for preventable conditions."
D) "Some genetic tests can give a probability for developing a
disorder." Ans: D
Feedback:
The fact that some tests only provide a probability for developing a
disorder raises a problem. A serious limitation of these susceptibility tests
is that some people who carry a disease-associated mutation never
develop the disease. The other statements affirm the value of genetic
tests.
Origin: Chapter 27, 2
2. The nurse is caring for a couple who is having a triple screen done. The
nurse would least likely expect what level to be tested?
A) a-Fetoprotein
B) Human chorionic gonadotropin
C) Unconjugated estriol
D) Testosterone
Ans: D
Feedback:
A triple screen tests a-fetoprotein (AFP), human chorionic
gonadotropin (hCG), and unconjugated estriol (uE3). Testosterone is
not included.
Origin: Chapter 27, 3
3. The nurse is caring for 3-day-old girl with Down syndrome whose
mother had no prenatal care. What is the priority nursing diagnosis?
Page 1
,A) Imbalanced nutrition, less than body requirements related to
the effects of hypotonia
B) Deficient knowledge related to the presence of a genetic disorder
C) Delayed growth and development related to a cognitive impairment
D) Impaired physical mobility related to poor
muscle tone Ans: A
Feedback:
Children with Down syndrome may have difficulty sucking and feeding due
to lack of muscle tone and the structure of their mouths and tongues. This
can lead to poor nutritional intake and makes this the priority diagnosis.
This also uses the strategy that physiologic needs have priority using
Maslow's hierarchy of needs. Deficient knowledge due to lack of
information about the disorder is a close second in priority, as the mother
did not know of her daughter's condition before birth and has much to
learn now. This child is at risk for a number of complications such as
infection, heart disease, and leukemia and will require frequent
assessment. Most children with Down syndrome
Page 2
, experience some degree of intellectual disability, but early intervention
will allow the child maximum development within the limits of the
disease. Mobility is delayed but should not be a problem at this time.
Origin: Chapter 27, 4
4. The nurse is assessing a 4-year-old boy whose mother was 40 years old
when he was born. Which finding suggests this child has a genetic
disorder?
A) Inquiry determines the child had feeding problems.
B) Observation shows nasal congestion and excess mucus.
C) Inspection reveals low-set ears with lobe creases.
D) Auscultation reveals the presence of
wheezing. Ans: C
Feedback:
Low-set ears are associated with numerous genetic dysmorphisms.
Additionally, the mother's age during pregnancy is a risk factor for genetic
disorders. Feeding problems could have been due to low birthweight,
prematurity, or a variety of other reasons. The nasal congestion may be a
cold. The wheezing could be bronchiolitis or asthma.
Origin: Chapter 27, 5
5. The nurse is teaching the parents of a 1-month-old girl with Down
syndrome how to maintain good health for the child. Which instruction
would the nurse be least likely to include?
A) Getting cervical radiographs between 3 and 5 years of age
B) Adhering to the special dietary needs of the child
C) Getting an echocardiogram before 3 months of age
D) Monitoring for symptoms of respiratory
infection Ans: B
Feedback:
Children with Down syndrome do not require a special diet unless
underlying gastrointestinal disease is present. However, a balanced, high-
fiber diet and regular exercise are important. Getting cervical radiographs
between 3 and 5 years of age is the screening method for atlantoaxial
instability, which is seen in about 14% of children with Down syndrome.
Evaluation by a pediatric cardiologist before 3 months of age, including an
echocardiogram, is important since children with Down syndrome are at
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