Nursing Elites

1. A young child has coarctation of the aorta. What does the nurse expect to identify when taking the child’s vital signs?

• A. A weak radial pulse
• B. An irregular heartbeat
• C. A bounding femoral pulse
• D. An elevated radial blood pressure

Correct answer: A

Rationale: In coarctation of the aorta, there is narrowing of the aorta leading to decreased blood flow distal to the constriction. This results in a weak or delayed femoral pulse and a relatively weaker radial pulse compared to the femoral pulse. An irregular heartbeat (choice B) is not a typical finding in coarctation of the aorta. A bounding femoral pulse (choice C) would not be expected due to the decreased blood flow beyond the constriction. An elevated radial blood pressure (choice D) is not a common characteristic of coarctation of the aorta; instead, blood pressure may be higher in the upper extremities compared to the lower extremities due to the constriction.

2. Upon assessing a newborn immediately after delivery, you note that the infant is breathing spontaneously and has a heart rate of 90 beats/min. What is the most appropriate initial management for this newborn?

• A. begin positive pressure ventilations
• B. provide blow-by oxygen with oxygen tubing
• C. assess the newborn's skin condition and color
• D. start chest compressions and contact medical control

Correct answer: A

Rationale: A heart rate below 100 beats/min in a newborn indicates the need for positive pressure ventilation to improve oxygenation. Providing positive pressure ventilations helps in assisting the newborn's breathing efforts to ensure adequate oxygenation. Choice B, providing blow-by oxygen, may not be sufficient to address the underlying issue of inadequate breathing. Choice C, assessing the newborn's skin condition and color, is important but not the most immediate action needed for a heart rate below 100 beats/min. Choice D, starting chest compressions, is not indicated as the infant is breathing spontaneously and has a heart rate, albeit lower than normal, which does not warrant chest compressions.

3. On the third day of hospitalization, the nurse observes that a 2-year-old toddler who had been screaming and crying inconsolably begins to regress and is now lying quietly in the crib with a blanket. What stage of separation anxiety has developed?

• A. Denial
• B. Despair
• C. Mistrust
• D. Rejection

Correct answer: B

Rationale: The correct answer is B: Despair. In separation anxiety, the stage of despair is characterized by regression and withdrawal after an initial period of protest. The child may become quiet and appear to accept the separation, but this is actually a sign of deeper distress. Choice A, Denial, is incorrect as it refers to refusing to believe or accept the reality of the separation. Choice C, Mistrust, is incorrect as it pertains to a lack of trust in others, not a stage of separation anxiety. Choice D, Rejection, is incorrect as it involves pushing others away and not related to the described behavior of the toddler in the scenario.

4. The nurse is assessing a family to determine if they have access to adequate health care. Which statement accurately describes how certain families are affected by common barriers to health care?

• A. After a decade of escalation, the percentage of children living in low-income families has been on the decline since 2000.
• B. White, non-Hispanic children overall are more likely than African American and Hispanic children to be in very good or excellent health.
• C. The proportion of children between the ages of 6 and 18 who are overweight is decreasing, but a large increase is occurring in African American females.
• D. The overall health care plan of working families may improve access to specialty care but limit access to preventive services.

Correct answer: B

Rationale: Choice B is the correct answer because it accurately states that White, non-Hispanic children are more likely to be in very good or excellent health compared to African American and Hispanic children. This reflects a disparity in health outcomes among different racial groups. Choices A, C, and D are incorrect. Choice A is unrelated to the impact of common barriers to health care on families. Choice C talks about overweight children but does not address access to health care. Choice D discusses the impact of the overall health care plan on working families but does not specifically address the disparity in health status among different racial groups.

5. A nurse is reviewing the laboratory report of a child with tetralogy of Fallot that indicates an elevated RBC count. What does the nurse identify as the cause of the polycythemia?

• A. Low tissue oxygen needs
• B. Tissue oxygen needs
• C. Diminished iron levels
• D. Hypertrophic cardiac muscle

Correct answer: B

Rationale: The correct answer is B: Tissue oxygen needs. Polycythemia occurs in response to chronic hypoxia, leading the body to increase red blood cell production to enhance oxygen delivery. In tetralogy of Fallot, a congenital heart defect that results in reduced oxygen levels in the blood, the body compensates by producing more red blood cells. Choice A is incorrect as low tissue oxygen needs would not trigger polycythemia. Choice C, diminished iron levels, is not the cause of polycythemia in this case. Choice D, hypertrophic cardiac muscle, is unrelated to the pathophysiology of polycythemia in tetralogy of Fallot.

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