Nokea
What term describes the invagination of one segment of bowel within another?
- A. Atresia
- B. Stenosis
- C. Herniation
- D. Intussusception
Correct Answer: D
Rationale: Intussusception is the correct answer. It refers to the condition where one segment of the bowel folds into another, leading to an obstruction. Atresia (Choice A) is the absence or abnormal closure of a normal opening or tubular structure. Stenosis (Choice B) is the narrowing of a passage in the body. Herniation (Choice C) is the abnormal protrusion of an organ or tissue through a defect in its surrounding walls. Intussusception is a medical emergency commonly observed in infants and young children and necessitates prompt intervention to prevent severe complications.
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When should the nurse instruct parents to administer a daily proton pump inhibitor to their child with gastroesophageal reflux?
- A. At bedtime
- B. With a meal
- C. Midmorning
- D. 30 minutes before breakfast
Correct Answer: D
Rationale: Proton pump inhibitors (PPIs) like omeprazole or lansoprazole are most effective when given 30 minutes before breakfast. This timing allows the medication to inhibit the proton pumps in the stomach that produce acid, providing better symptom control throughout the day. Administering the PPI at bedtime (choice A) may not be as effective as giving it before breakfast due to the timing of peak acid production during the day. Giving it with a meal (choice B) might affect the absorption and effectiveness of the medication. Midmorning administration (choice C) is not the recommended time for optimal PPI efficacy.
One of the major differences in clinical presentation between Crohn disease (CD) and ulcerative colitis (UC) is that UC is more likely to cause which clinical manifestation?
- A. Pain
- B. Rectal bleeding
- C. Perianal lesions
- D. Growth retardation
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.
Which condition is often associated with a "ground-glass" appearance on a chest x-ray in neonates?
- A. Pneumonia
- B. Respiratory distress syndrome
- C. Bronchopulmonary dysplasia
- D. Congenital diaphragmatic hernia
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.
A child has been diagnosed with a Wilms tumor. What should preoperative nursing care include?
- A. Careful bathing and handling
- B. Monitoring of behavioral status
- C. Maintenance of strict isolation
- D. Administration of packed red blood cells
Correct Answer: A
Rationale: The correct answer is A: Careful bathing and handling. Preoperative care for a child with a Wilms tumor should focus on preventing any trauma to the abdomen, which could lead to tumor rupture. Monitoring behavioral status and maintaining strict isolation are not as critical in this situation. Behavioral status is important but not a priority in preoperative care for a Wilms tumor. Strict isolation is not necessary unless there are specific infectious concerns, which is not typically the case for a Wilms tumor. Administration of packed red blood cells is not a standard preoperative intervention for Wilms tumor.
What statement is most descriptive of Meckel diverticulum?
- A. It is present from birth.
- B. Intestinal bleeding may be mild or profuse.
- C. It occurs with equal frequency in both genders.
- D. Surgical interventions are always necessary to treat the problem.
Correct Answer: B
Rationale: The correct answer is B. Meckel diverticulum often presents with intestinal bleeding, which can vary in severity. It is a congenital condition, meaning it is present from birth, not acquired during childhood (choice A). Meckel diverticulum is slightly more common in males than in females, so it does not occur more frequently in females (choice C). While some cases of Meckel diverticulum may require surgical intervention, medical interventions can also be sufficient to treat the problem, so it is not always necessary to resort to surgery (choice D).