Correct Answer: A

Rationale: Respiratory infections are the leading cause of morbidity and mortality in children with cystic fibrosis. Cystic fibrosis primarily affects the respiratory system, leading to thick mucus buildup in the lungs, which predisposes these children to recurrent respiratory infections. Malnutrition and diabetes are common comorbidities in cystic fibrosis but are not the leading causes of morbidity and mortality in affected children. Liver disease can occur in cystic fibrosis but is less common than respiratory complications.

Correct Answer: B

Rationale: The correct answer is B: Maintain airway patency. When dealing with a child with epiglottitis, the priority nursing intervention is to ensure airway patency to prevent airway obstruction, which can lead to respiratory distress or failure. Administering antibiotics (choice A) is important to treat the infection, but airway management takes precedence. Providing hydration (choice C) and monitoring vital signs (choice D) are essential aspects of care but are secondary to securing the airway in a child with epiglottitis.

Correct Answer: A

Rationale: Restlessness is an early sign of shock due to decreased perfusion and oxygenation to the brain. This symptom requires immediate attention to prevent the progression to more severe stages of shock. Rapid capillary refill (Choice B) is not typically an early sign of shock but rather a sign of adequate perfusion. Increased temperature (Choice C) may occur in later stages of shock due to the body's response to stress. Increased blood pressure (Choice D) is not an early sign of shock; in fact, blood pressure tends to decrease in shock as a compensatory mechanism.

Correct Answer: B

Rationale: Celiac disease often presents with steatorrhea, malnutrition, and foul-smelling stools due to the malabsorption of nutrients. Therefore, all the manifestations listed (steatorrhea, malnutrition, foul-smelling stools) are expected in a child with celiac disease. Polycythemia is not associated with celiac disease, making choice B the correct answer.

Correct Answer: C

Rationale: Corrected Rationale: Currant jelly-like stools, which contain blood and mucus, are characteristic of Meckel diverticulum. This symptom occurs due to the bleeding from the ectopic gastric mucosa present in the diverticulum. Steatorrhea (choice A) is not typically associated with Meckel diverticulum. Clay-colored stools (choice B) are seen in conditions affecting the biliary system. Loose stools with undigested food (choice D) may indicate malabsorption issues, but it is not specifically linked to Meckel diverticulum.