A nurse is collecting data from an infant who has developmental dysplasia of the hip (DDH). Which of the following findings should the nurse expect?

Asymmetric thigh folds.

Inwardly turned foot on the affected side.

Absent plantar reflexes.

Lengthened thigh on the affected side.

Answer and Explanation

The Correct Answer is A

Choice A rationale:

Developmental dysplasia of the hip (DDH) is a condition in which the hip joint is not properly formed or is unstable. Asymmetric thigh folds are a common finding in infants with DDH, as the affected hip may be dislocated or subluxated, leading to a difference in thigh fold appearance.

Choice B rationale:

An inwardly turned foot is not a specific indication of DDH. Instead, it may suggest other conditions, such as clubfoot or metatarsus adductus (no reference).

Choice C rationale:

Absent plantar reflexes are not associated with DDH. This finding might indicate a neurological issue or spinal cord injury (no reference).

Choice D rationale:

A lengthened thigh is not a typical finding in DDH. Instead, a shortened thigh on the affected side might be present due to the displacement of the femoral head (no reference).

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Correct Answer is C

Explanation

Choice A rationale

The ventrogluteal site is not typically used for immunizations in infants. This site is often used in older children and adults, but it is not the preferred site for infants due to their small muscle mass.

Choice B rationale

The deltoid site is not typically used for immunizations in infants. This site is often used in older children and adults, but it is not the preferred site for infants due to their small muscle mass.

Choice C rationale

The vastus lateralis is the preferred site for administering immunizations in infants. This muscle is located in the thigh and is large enough to accommodate the injection. It is also away from major nerves and blood vessels, making it a safe site for injections.

Choice D rationale

The dorsogluteal site is not recommended for immunizations in any age group. This site has a number of large blood vessels and nerves, as well as a layer of fat, which can make injections less effective and potentially harmful.

A. “My baby will be placed under special lights if the test is elevated.”. B. “Sometimes the test is repeated in the doctor’s office at the 2-week check-up.”. C. “My baby must take formula or breast milk before the test is done.”. D. “This test checks for a genetic disorder that can be corrected by diet.”.

Correct Answer is A

Explanation

Choice A rationale

The statement “My baby will be placed under special lights if the test is elevated” indicates a need for further teaching. This statement is incorrect because phototherapy (special lights) is not used to treat phenylketonuria (PKU). PKU is a genetic disorder that results in the body’s inability to metabolize the amino acid phenylalanine. If left untreated, it can lead to intellectual disability and other serious health problems. The treatment for PKU involves a special diet that is low in phenylalanine. Therefore, the parent’s statement about using special lights for treatment indicates a misunderstanding about the nature of PKU and its treatment.

Choice B rationale

The statement “Sometimes the test is repeated in the doctor’s office at the 2-week check-up” is correct. PKU is usually diagnosed through a routine newborn screening test, and if the initial test results are positive or unclear, the test may be repeated.

Choice C rationale

The statement “My baby must take formula or breast milk before the test is done” is correct. For accurate results, the PKU test is done after the baby is 24 hours old and after the baby has had some protein in the diet.

Choice D rationale

The statement “This test checks for a genetic disorder that can be corrected by diet” is correct. PKU is a genetic disorder that can be managed with a special diet low in phenylalanine.

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A nurse is collecting data from an infant who has developmental dysplasia of the hip (DDH). Which of the following findings should the nurse expect?

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Naxlex Comprehensive Predictor Exams

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