Nokea
What is a common sign of moderate dehydration in children?
- A. Dry mucous membranes
- B. Normal capillary refill
- C. Hyperactive bowel sounds
- D. Edema
Correct Answer: A
Rationale: Dry mucous membranes are a common sign of moderate dehydration in children, indicating a loss of bodily fluids. When a child is moderately dehydrated, the mucous membranes in the mouth and nose may appear dry. This condition can occur due to various factors such as vomiting, diarrhea, or inadequate fluid intake. Normal capillary refill (choice B) is not typically associated with dehydration; it is a measure of circulatory status. Hyperactive bowel sounds (choice C) can be present in conditions like gastroenteritis but are not specific to dehydration. Edema (choice D) is the retention of fluid in the body and is not a typical sign of dehydration.
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A parent of an infant with gastroesophageal reflux asks how to decrease the number and total volume of emesis. What recommendation should the nurse include in teaching this parent?
- A. Surgical therapy is indicated.
- B. Place the infant in a prone position for sleep after feeding.
- C. Thicken feedings and enlarge the nipple hole.
- D. Reduce the frequency of feeding by encouraging larger volumes of formula.
Correct Answer: C
Rationale: The correct recommendation for decreasing the number and total volume of emesis in an infant with gastroesophageal reflux is to thicken feedings and enlarge the nipple hole. Thicker feedings can reduce the frequency and volume of emesis by making the food less likely to be regurgitated. Enlarging the nipple hole helps ensure the thickened feedings can pass through. Surgical therapy (Choice A) is not the initial recommendation for managing gastroesophageal reflux in infants. Placing the infant in a prone position for sleep after feeding (Choice B) is not recommended due to the increased risk of sudden infant death syndrome (SIDS). Reducing the frequency of feeding by encouraging larger volumes of formula (Choice D) can exacerbate the reflux symptoms.
Which pediatric disorder is associated with a 'boot-shaped' heart on a chest x-ray?
- A. Tetralogy of Fallot
- B. Transposition of the great arteries
- C. Coarctation of the aorta
- D. Ventricular septal defect
Correct Answer: A
Rationale: The correct answer is A: Tetralogy of Fallot. Tetralogy of Fallot is often associated with a 'boot-shaped' heart appearance on a chest x-ray due to the characteristic heart anatomy in this condition. This appearance is caused by the combination of pulmonary stenosis, overriding aorta, ventricular septal defect, and right ventricular hypertrophy. Choice B, Transposition of the great arteries, is incorrect because it presents with a 'egg-on-a-string' appearance on x-ray due to the abnormal position of the aorta and pulmonary artery. Choice C, Coarctation of the aorta, typically presents with rib notching on x-ray. Choice D, Ventricular septal defect, does not produce the 'boot-shaped' heart appearance seen in Tetralogy of Fallot.
What dietary modification is recommended for a child with cystic fibrosis?
- A. High carbohydrate
- B. Low protein
- C. High calorie
- D. Low fat
Correct Answer: C
Rationale: A high-calorie diet is recommended for children with cystic fibrosis due to their increased energy needs and malabsorption issues. Cystic fibrosis affects the pancreas, leading to poor digestion and absorption of nutrients, particularly fats, which requires dietary adjustments to maintain adequate nutrition. High carbohydrate (Choice A) is not the primary focus; the emphasis is on overall calorie intake. Low protein (Choice B) is not recommended as protein intake is essential for growth and development. Low fat (Choice D) is not the best option as fat-soluble vitamin absorption is already compromised in cystic fibrosis, hence fat restriction is not a priority.
What is the best initial intervention for a child experiencing moderate dehydration?
- A. Administer IV fluids
- B. Encourage oral rehydration
- C. Monitor vital signs
- D. Provide clear fluids
Correct Answer: B
Rationale: The correct answer is B: Encourage oral rehydration. Oral rehydration is the first-line treatment for moderate dehydration in children. It helps restore fluid balance and electrolyte levels. Administering IV fluids (Choice A) is usually reserved for severe cases of dehydration where oral rehydration is not feasible or ineffective. Monitoring vital signs (Choice C) is important but should not replace the immediate need for rehydration. Providing clear fluids (Choice D) may not contain the necessary electrolytes required for effective rehydration.
What is the primary symptom of congenital diaphragmatic hernia in a newborn?
- A. Cyanosis
- B. Bradycardia
- C. Absent breath sounds
- D. Tachypnea
Correct Answer: C
Rationale: Absent breath sounds on the affected side are a primary symptom of congenital diaphragmatic hernia. Cyanosis, bradycardia, and tachypnea may also be present but are not the primary symptom. Cyanosis is a bluish discoloration of the skin due to poor oxygenation, bradycardia is a slower than normal heart rate, and tachypnea is rapid breathing.