What is the primary concern in a child with nephrotic syndrome?

Correct Answer: C

Rationale: The correct answer is C: Hyperlipidemia. Children with nephrotic syndrome often present with hyperlipidemia due to altered lipid metabolism, making it a primary concern in these patients. Hypotension (choice A) is not a primary concern in nephrotic syndrome. Hyperkalemia (choice B) and hypocalcemia (choice D) are not typically associated with nephrotic syndrome and are less likely to be primary concerns in these patients.

Correct Answer: D

Rationale: Excessive vomiting in pyloric stenosis leads to the loss of stomach acid (hydrochloric acid), resulting in metabolic alkalosis, not hyperkalemia, hyperchloremia, or metabolic acidosis. Metabolic alkalosis is characterized by a higher pH level in the blood due to the loss of acid and a relative increase in bicarbonate. Hyperkalemia is an elevated level of potassium in the blood and is not directly related to excessive vomiting in pyloric stenosis. Hyperchloremia is an excess of chloride in the blood, which is not typically associated with this condition. Metabolic acidosis is a condition characterized by a lower pH level in the blood, caused by an excess of acid or a loss of bicarbonate, which is not the typical complication seen in pyloric stenosis with excessive vomiting.

Correct Answer: B

Rationale: Rectal bleeding is more commonly associated with ulcerative colitis (UC) than with Crohn disease (CD). While both conditions can cause abdominal pain and growth issues, bleeding is a hallmark of UC due to its superficial mucosal inflammation. Perianal lesions are more characteristic of CD, and growth retardation is typically not a direct clinical manifestation of either CD or UC.

Correct Answer: B

Rationale: The primary concern with untreated vesicoureteral reflux (VUR) in pediatric patients is chronic renal failure. Untreated VUR can lead to this complication due to recurrent urinary tract infections and kidney damage. While recurrent UTIs (Choice A) are a common consequence of VUR, the ultimate worry is the development of chronic renal failure. Hypertension (Choice C) may occur as a result of renal damage but is not the primary concern. Bladder dysfunction (Choice D) is not the most significant consequence of untreated VUR in terms of long-term outcomes compared to chronic renal failure.

Correct Answer: A

Rationale: Infants with short bowel syndrome requiring prolonged total parenteral nutrition (TPN) are susceptible to central venous catheter infections, electrolyte losses, and hyperglycemia. Monitoring for these complications is crucial to prevent serious outcomes. Choices B, C, and D are incorrect because they do not reflect the common complications associated with prolonged TPN in infants.

Correct Answer: C

Rationale: Frequent spitting up is indeed a common symptom of gastroesophageal reflux in infants. It is caused by the backward flow of stomach contents into the esophagus, leading to infants regurgitating milk or formula shortly after feeding. Projectile vomiting (choice A) is more commonly associated with conditions like pyloric stenosis rather than gastroesophageal reflux. Bilious vomiting (choice B) often indicates an obstruction in the gastrointestinal tract. Diarrhea (choice D) is not typically a primary symptom of gastroesophageal reflux in infants.

Correct Answer: C

Rationale: The correct answer is C, Respiratory syncytial virus (RSV). RSV is the leading cause of bronchiolitis, a common respiratory condition in infants that results in inflammation of the small airways in the lung. It is highly contagious and can cause severe respiratory distress in young children, particularly those under 2 years old. Choice A, Adenovirus, is not the most common cause of bronchiolitis in infants. Choice B, Influenza virus, may cause respiratory infections but is not the primary cause of bronchiolitis. Choice D, Parainfluenza virus, can cause croup and other upper respiratory infections but is not the main cause of bronchiolitis in infants.

Correct Answer: B

Rationale: The correct answer is B, Respiratory distress syndrome. Respiratory distress syndrome often presents with a "ground-glass" appearance on a chest x-ray in neonates due to surfactant deficiency. Choice A, Pneumonia, typically appears as patchy infiltrates on chest x-ray. Choice C, Bronchopulmonary dysplasia, is characterized by hyperinflation and fibrosis, not a ground-glass appearance. Choice D, Congenital diaphragmatic hernia, usually shows mediastinal shift and bowel loops in the chest cavity on x-ray, not a ground-glass appearance.

Correct Answer: D

Rationale: The correct priority intervention for an infant with gastroschisis is to cover the exposed abdominal contents with a sterile bowel bag. This action helps protect the intestines from injury, contamination, and dehydration before surgical repair. Choice A, placing the infant in the prone position, is not appropriate as it does not address the immediate need to protect the exposed intestines. Choice B, sterile water feedings, and Choice C, monitoring serum laboratory electrolytes, are not the priority interventions for this condition. Sterile water feedings may not provide the necessary protection for the exposed intestines, and monitoring electrolytes, while important, is secondary to the immediate need for protection and hydration of the exposed abdominal contents.