Nursing Elites

1. According to Piaget, which principle supports a nine-year-old child's understanding that an arm will look the same when the IV is removed?

• A. The principle of conservation
• B. The principle of transductive reasoning
• C. The principle of identity
• D. The principle of reflex abilities

Correct answer: A

Rationale: The correct answer is A, the principle of conservation. Piaget's principle of conservation relates to a child's ability to understand that certain properties of objects remain unchanged despite modifications in their appearance. In this case, the child's understanding that an arm will look the same after the IV is removed demonstrates conservation of appearance. Choice B, transductive reasoning, involves making faulty generalizations based on specific instances and does not apply in this context. Choice C, the principle of identity, pertains to recognizing objects as the same even if they undergo transformations, which is not directly relevant to the scenario. Choice D, reflex abilities, refers to automatic responses to stimuli and is unrelated to the child's understanding of the arm's appearance post-IV removal.

2. The nurse is teaching a client to prevent future urinary tract infections (UTIs). What factor is most important to emphasize as the potential cause?

• A. Poor hygiene
• B. Constipation
• C. Urinary stasis
• D. Congenital anomalies

Correct answer: C

Rationale: Urinary stasis is the most important factor in the development of UTIs because it provides an environment for bacterial growth. While poor hygiene and congenital anomalies are contributing factors, preventing urinary stasis is key in UTI prevention.

3. Which condition is characterized by a 'seal-like' barking cough in children?

• A. Croup
• B. Asthma
• C. Bronchitis
• D. Pneumonia

Correct answer: A

Rationale: Croup is the correct answer. Croup is characterized by a 'seal-like' barking cough due to inflammation and narrowing of the upper airways, particularly the larynx and trachea. It is most common in young children and can cause significant respiratory distress, especially at night. Treatment often includes humidified air and corticosteroids. Asthma (choice B) typically presents with wheezing and shortness of breath, not a barking cough. Bronchitis (choice C) is characterized by productive cough with mucus, not a barking cough. Pneumonia (choice D) often presents with fever, productive cough, and chest pain, not a barking cough.

4. The charge nurse in the pediatric unit is teaching nursing students about pyloric stenosis. A student asks what causes pyloric stenosis. How should the nurse respond?

• A. One portion of the intestines invaginates or telescopes into another
• B. Hypertrophy of the circular pylorus muscle
• C. Relaxed cardiac sphincter
• D. Absent ganglion cells in the colon

Correct answer: B

Rationale: Pyloric stenosis is caused by the hypertrophy (thickening) of the circular muscle of the pylorus, leading to obstruction. Choice A is incorrect as it describes intussusception, not pyloric stenosis. Choice C is incorrect as a relaxed cardiac sphincter is related to gastroesophageal reflux. Choice D is incorrect as it describes Hirschsprung's disease, not pyloric stenosis.

5. What problem is most often associated with myelomeningocele?

• A. Biliary atresia
• B. Hydrocephalus
• C. Craniostenosis
• D. Tracheoesophageal fistula

Correct answer: B

Rationale: Hydrocephalus is the most commonly associated problem with myelomeningocele, present in 80% to 90% of affected children. Biliary atresia and tracheoesophageal fistula are not typically associated with myelomeningocele. Craniostenosis refers to the premature closing of cranial sutures and is not a common issue seen with myelomeningocele.

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