what is the most critical physiological change required of newborns at birth
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Nursing Elites

ATI RN

ATI Nursing Care of Children

1. What is the most critical physiological change required of newborns at birth?

Correct answer: A

Rationale: The correct answer is A: Transition from fetal to neonatal breathing. The most critical physiological change required of newborns at birth is the initiation of breathing. This transition is crucial for the newborn to start exchanging oxygen and carbon dioxide outside the womb, marking the beginning of their independent respiratory function. Choices B, C, and D are important aspects of newborn care but are not as immediately critical as the establishment of breathing for oxygenation and removal of carbon dioxide, which is essential for the newborn's survival and adaptation to extrauterine life.

2. Parents of a newborn with ambiguous genitalia want to know how long they will have to wait to know whether they have a boy or a girl. The nurse answers the parents based on what knowledge?

Correct answer: D

Rationale: Gender assignment in cases of ambiguous genitalia is a complex process that requires a multidisciplinary approach, including genetic, endocrinological, and psychological evaluations. The decision should be made collaboratively with the parents.

3. Which electrolyte imbalance is a common concern in children with severe diarrhea?

Correct answer: B

Rationale: Hypokalemia is the correct answer because it is a common concern in children with severe diarrhea. Diarrhea can lead to significant potassium loss, resulting in hypokalemia. Hypernatremia (Choice A) is less common in diarrhea as sodium concentration is usually diluted by the fluid loss. Hypercalcemia (Choice C) is not typically associated with severe diarrhea. Hypomagnesemia (Choice D) can occur but is not as common as hypokalemia in this scenario.

4. Which is the most frequently used test for measuring visual acuity?

Correct answer: A

Rationale: The Snellen letter chart is the most commonly used test for measuring visual acuity, particularly in school-age children and adults.

5. The nurse is aware that skin turgor best estimates what?

Correct answer: B

Rationale: Skin turgor is a quick and simple way to assess hydration status. Poor skin turgor can indicate dehydration.

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