ATI RN
Nursing Care of Children Final ATI
1. 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.
2. What is the most common cause of acute gastroenteritis in children under 5 years?
- A. Salmonella
- B. Rotavirus
- C. Norovirus
- D. Shigella
Correct answer: B
Rationale: Rotavirus is the leading cause of acute gastroenteritis in children under 5 years. It leads to severe diarrhea and dehydration. Vaccination against rotavirus has significantly reduced the incidence of this disease, but it remains a major cause of morbidity in young children globally. Salmonella and Shigella can cause gastroenteritis, but they are less common in children under 5 years. Norovirus is also a common cause of gastroenteritis, but Rotavirus is the most prevalent in this age group.
3. The parent of a 2-week-old infant asks the nurse if fluoride supplements are necessary because the infant is exclusively breastfed. What is the nurse's best response?
- A. The infant needs to begin taking them now.
- B. Supplements are not needed if you drink fluoridated water.
- C. The infant may need to begin taking them at age 6 months.
- D. The infant can have infant cereal mixed with fluoridated water instead of supplements.
Correct answer: C
Rationale: Breastfed infants may need fluoride supplements starting at 6 months if they are not receiving fluoride from other sources, such as drinking water.
4. What is the primary objective of care for the child with minimal change nephrotic syndrome (MCNS)?
- A. Reduce blood pressure
- B. Lower serum protein levels
- C. Minimize excretion of urinary protein
- D. Increase the ability of tissue to retain fluid
Correct answer: C
Rationale: The primary objective in managing MCNS is to minimize the excretion of urinary protein, which is responsible for the hypoalbuminemia and subsequent edema in these patients.
5. Which is a complication that can occur after abdominal surgery if pain is not managed?
- A. Atelectasis
- B. Hypoglycemia
- C. Decrease in heart rate
- D. Increase in cardiac output
Correct answer: A
Rationale: Poorly managed pain after abdominal surgery can lead to complications like atelectasis due to shallow breathing, which may occur if the child avoids deep breaths because of pain.
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