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

ATI RN

RN Nursing Care of Children Online Practice 2019 A

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

Correct answer: A

Rationale: The correct answer is A: Transition from fetal to neonatal breathing. The onset of breathing is the most immediate and critical physiologic change required for the transition to extrauterine life. Factors that interfere with this normal transition increase fetal asphyxia, which is a condition of hypoxemia, hypercapnia, and acidosis. While body temperature maintenance, stabilization of fluid and electrolytes, and closure of fetal shunts in the heart are crucial changes in the transition to extrauterine life, breathing and the exchange of oxygen for carbon dioxide must take precedence as they are essential for newborn survival.

2. Which intervention is the most appropriate recommendation for relief of teething pain?

Correct answer: C

Rationale: A frozen teething ring is effective for relieving teething pain as the cold helps numb the gums and reduce inflammation, making it a safe and effective method for managing discomfort

3. At which age should the nurse expect an infant to begin smiling in response to pleasurable stimuli?

Correct answer: B

Rationale: Infants typically begin to smile in response to pleasurable stimuli by 2 months, which is an early sign of social interaction and emotional development.

4. A newborn has been diagnosed with Hirschsprung’s disease. The parent asks the nurse about the symptoms that led to the diagnosis. Which symptoms should the nurse include in the response?

Correct answer: C

Rationale: The correct answer is C: Failure to pass meconium and abdominal distension. Hirschsprung’s disease is commonly diagnosed in newborns due to the failure to pass meconium within the first 24-48 hours after birth and abdominal distension, indicating a bowel obstruction. Choices A, B, and D are incorrect because they do not correspond to the typical symptoms of Hirschsprung’s disease. Acute diarrhea and dehydration, current jelly-like stools and pain, and projectile vomiting with altered electrolytes are not characteristic of this condition.

5. The Asian parent of a child being seen in the clinic avoids eye contact with the nurse. What is the best explanation for this considering cultural differences?

Correct answer: B

Rationale: In many Asian cultures, avoiding eye contact is a sign of respect, especially towards authority figures such as healthcare providers.

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