The newborn diagnosed with phenylketonuria (PKU) will require long-term follow-up to assess for the development of:

Obesity

Diabetes insipidus

Respiratory distress

Cognitive impairment

Answer and Explanation

The Correct Answer is D

Choice A reason:

Obesity is not a common complication of phenylketonuria (PKU), a genetic disorder that causes increased levels of phenylalanine (an amino acid) in the body. Obesity may be related to other endocrine disorders, such as hypothyroidism or Cushing syndrome.

Choice B reason:

Diabetes insipidus is a condition that causes excessive thirst and urination due to a lack of antidiuretic hormone (ADH) or a problem with the kidneys' response to ADH. It is not caused by PKU, which affects the metabolism of phenylalanine.

Choice C reason:

Respiratory distress is not a typical symptom of PKU, although some newborns with PKU may have a musty odor in their breath, skin, or urine due to the buildup of phenylalanine.

Respiratory distress may be caused by other conditions, such as asthma, pneumonia, or congenital heart defects.

Choice D reason:

Cognitive impairment is the most serious complication of PKU if it is not diagnosed and treated early. High levels of phenylalanine can damage the brain and cause irreversible intellectual disability, neurological problems, and behavioral issues. Early intervention with a special diet that limits phenylalanine intake can prevent or reduce cognitive impairment in children with PKU.

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Correct Answer is D

Explanation

Choice A:

Two arteries and two veins. This is incorrect because the umbilical cord normally has only three blood vessels: one vein and two arteries. Having four blood vessels is a rare anomaly that can be associated with congenital defects. •

Choice B:

Two veins and one artery. This is incorrect because the umbilical cord normally has only one vein and two arteries. Having two veins and one artery is another rare anomaly that can also be associated with congenital defects. •

Choice C:

One artery and one vein. This is incorrect because the umbilical cord normally has two arteries and one vein. Having only one artery and one vein is a common anomaly that occurs in about 1% of singleton pregnancies and 5% of twin pregnancies. It can be associated with intrauterine growth restriction, congenital anomalies, and perinatal mortality. •

Choice D:

Two arteries and one vein. This is correct because the umbilical cord normally has two arteries and one vein. The vein carries oxygenated blood from the placenta to the fetus, while the arteries carry deoxygenated blood from the fetus to the placenta. The umbilical cord also contains Wharton's jelly, which is a gelatinous substance that protects the blood vessels from compression.

A. "My baby might be in the NICU for 2 weeks.". B. "This breathing problem might have happened because I had a cesarean birth.". C. "I cannot breastfeed my baby while he is breathing so fast.". D. "My baby will probably go home on oxygen therapy.".

Correct Answer is B

Explanation

Choice A reason:

This is incorrect because TTN usually resolves within 24 to 72 hours of birth and does not require a long stay in the NICU.

Choice B reason:

This is correct because TTN is more common in babies born by cesarean section without labor, as they do not have the hormonal changes that help clear the fetal lung fluid.

Choice C reason:

This is incorrect because breastfeeding is not contraindicated in babies with TTN, unless they have severe respiratory distress or need continuous positive airway pressure (CPAP) support.

Choice D reason:

This is incorrect because TTN does not cause chronic lung disease or require oxygen therapy at home. Most babies with TTN only need supplemental oxygen for a few days until their breathing improves.

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The newborn diagnosed with phenylketonuria (PKU) will require long-term follow-up to assess for the development of:

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Naxlex Comprehensive Predictor Exams

A nurse is caring for a newborn. How many blood vessels should the nurse expect to observe in the newborn's umbilical cord?

Correct Answer is D

Explanation

A nurse is explaining TTN to the newborn's mother. Which statement indicates that the mother understands the teaching?

Correct Answer is B

Explanation

A nurse is assisting to collect data for a gestational age assessment on a newborn. Which of the following should the nurse check during a neuromuscular assessment? (Select all that apply.)

A nurse is assisting in the care of a client who had a vaginal birth 2 hours ago. Which of the following actions should the nurse take? (Select all that apply.)

The newborn diagnosed with phenylketonuria (PKU) will require long-term follow-up to assess for the development of:

Which physical signs could indicate a risk for hyperbilirubinemia?

A nurse is caring for a client who wants to know if it is possible to have a vaginal birth after a cesarean birth (VBAC). Which of the following statements by the nurse is appropriate?

Which assessment findings may cause the nurse to suspect a brachial plexus injury?

A nurse is reinforcing discharging teaching with a client who is 2 days postpartum. Which of the following statements should the nurse include in the teaching?

A nurse is admitting a term newborn to the nursery following a cesarean birth. The nurse observes that the newborn's skin is slightly yellow. This finding indicates the newborn is experiencing a complication related to which of the following?