A nurse in the newborn nursery is caring for an infant who has trisomy 21. When collecting data, which of the following findings should the nurse expect?
A single crease in the palm.
A notch in the lip.
An inversion of the foot.
Extra digits on the hand.
The Correct Answer is A
Choice A rationale
A single crease in the palm, known as a simian crease, is a common characteristic seen in infants with trisomy 21 (Down syndrome) due to the unique hand structure associated with this condition.
Choice B rationale
A notch in the lip, such as a cleft lip, is not commonly associated with trisomy 21 and is more typically related to other genetic conditions or environmental factors during development.
Choice C rationale
An inversion of the foot, such as clubfoot, is not a specific characteristic of trisomy 21. This condition is more often seen in other congenital anomalies not related to Down syndrome.
Choice D rationale
Extra digits on the hand, or polydactyly, is not commonly associated with trisomy 21 but can be seen in other genetic disorders. Trisomy 21 has more specific physical features like the simian crease.
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Correct Answer is B
Explanation
Choice A rationale
1/2 cup (4 oz) orange juice provides about 55 micrograms of folate. While it is a good source of vitamin C and other nutrients, it does not contain as much folate compared to leafy greens.
Choice B rationale
1 cup cooked spinach contains approximately 263 micrograms of folate, making it one of the richest sources of this essential vitamin. Folate is crucial for DNA synthesis and cell division, especially during pregnancy.
Choice C rationale
1 large egg contains about 24 micrograms of folate. Although eggs offer several nutrients like protein and vitamins, their folate content is relatively low compared to green vegetables.
Choice D rationale
1 cup pasta has around 102 micrograms of folate, assuming it is enriched pasta. While it contributes to daily folate intake, it does not compare to the high levels found in spinach.
Correct Answer is A
Explanation
Choice A rationale
Positioning the newborn's car seat at a 45° angle helps to maintain an open airway and reduces the risk of the baby's head falling forward, which can obstruct breathing.
Choice B rationale
Placing the car seat in a forward-facing position is incorrect for a newborn. Newborns and infants should always be placed in a rear-facing car seat to protect their head, neck, and spine in the event of a crash.
Choice C rationale
Placing a rolled blanket behind the newborn's neck is not recommended as it can alter the position of the head and neck, potentially compromising the airway. Proper positioning is crucial to ensure safety and comfort.
Choice D rationale
The retainer clip should be positioned at the level of the newborn's armpits, not the umbilicus. Proper placement of the retainer clip ensures that the harness is secure and reduces the risk of injury in a collision.