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Pediatric Surgery & Neonatal Critical Care (Clinical Super-Specialties & Advanced Surgery) Solved Questions & Notes (2026) - Apex Rankers

Medical & Health Sciences > Clinical Super-Specialties & Advanced Surgery > Pediatric Surgery & Neonatal Critical Care

72 Total Questions
~108 mins Read Time
1 Subject Areas
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Q. 1 MULTIPLE_CHOICE
Difficulty: MEDIUM (1 Mark)
A 3-week-old infant with non-bilious projectile vomiting and palpable epigastric olive mass has:
A
Intussusception
B
Duodenal atresia
C
Infantile Hypertrophic Pyloric Stenosis (IHPS)
✓ Correct
D
Hirschsprung's disease
💡 Step-by-Step Explanation & Concept Rationale
Pyloric muscle hypertrophy causes gastric outlet obstruction and hypochloremic alkalosis.
Q. 2 MULTIPLE_CHOICE
Difficulty: MEDIUM (1 Mark)
The 'Double Bubble' radiological sign on abdominal X-ray in a newborn indicates:
A
Meconium ileus
B
Duodenal Atresia (or annular pancreas)
✓ Correct
C
Pyloric stenosis
D
Tracheoesophageal fistula
💡 Step-by-Step Explanation & Concept Rationale
Gas fills the dilated stomach and duodenal bulb with complete absence of distal bowel gas.
Q. 3 MULTIPLE_CHOICE
Difficulty: HARD (1 Mark)
Hirschsprung's disease is characterized pathologically by absence of ganglion cells in:
A
Myenteric (Auerbach's) and Submucosal (Meissner's) plexuses
✓ Correct
B
Brachial plexus
C
Celiac ganglion
D
Lumbar plexus
💡 Step-by-Step Explanation & Concept Rationale
Failure of craniocaudal neural crest migration results in a contracted aganglionic distal segment.
Q. 4 MULTIPLE_CHOICE
Difficulty: MEDIUM (1 Mark)
Currant jelly stools in an infant with episodic severe colicky abdominal pain indicate:
A
Appendicitis
B
Volvulus
C
Intussusception (ileocolic invagination)
✓ Correct
D
Gastroenteritis
💡 Step-by-Step Explanation & Concept Rationale
Telescoping of bowel causes venous congestion and shedding of blood-mucus stool.
Q. 5 MULTIPLE_CHOICE
Difficulty: HARD (1 Mark)
Definitive surgical repair of Congenital Diaphragmatic Hernia (CDH) involves:
A
Tracheostomy
B
Gastrostomy
C
Reduction of herniated viscera and primary or patch closure of the diaphragmatic defect
✓ Correct
D
Chest tube only
💡 Step-by-Step Explanation & Concept Rationale
Once pulmonary hypertension is medically stabilized, the diaphragmatic defect is closed.
Q. 6 MULTIPLE_CHOICE
Difficulty: MEDIUM (1 Mark)
In professional practice: A 3-week-old infant with non-bilious projectile vomiting and palpable epigastric olive mass has:
A
Duodenal atresia
B
Infantile Hypertrophic Pyloric Stenosis (IHPS)
✓ Correct
C
Hirschsprung's disease
D
Intussusception
💡 Step-by-Step Explanation & Concept Rationale
Pyloric muscle hypertrophy causes gastric outlet obstruction and hypochloremic alkalosis.
Q. 7 MULTIPLE_CHOICE
Difficulty: MEDIUM (1 Mark)
In professional practice: The 'Double Bubble' radiological sign on abdominal X-ray in a newborn indicates:
A
Duodenal Atresia (or annular pancreas)
✓ Correct
B
Tracheoesophageal fistula
C
Pyloric stenosis
D
Meconium ileus
💡 Step-by-Step Explanation & Concept Rationale
Gas fills the dilated stomach and duodenal bulb with complete absence of distal bowel gas.
Q. 8 MULTIPLE_CHOICE
Difficulty: HARD (1 Mark)
In professional practice: Hirschsprung's disease is characterized pathologically by absence of ganglion cells in:
A
Celiac ganglion
B
Myenteric (Auerbach's) and Submucosal (Meissner's) plexuses
✓ Correct
C
Lumbar plexus
D
Brachial plexus
💡 Step-by-Step Explanation & Concept Rationale
Failure of craniocaudal neural crest migration results in a contracted aganglionic distal segment.
Q. 9 MULTIPLE_CHOICE
Difficulty: MEDIUM (1 Mark)
In professional practice: Currant jelly stools in an infant with episodic severe colicky abdominal pain indicate:
A
Gastroenteritis
B
Appendicitis
C
Intussusception (ileocolic invagination)
✓ Correct
D
Volvulus
💡 Step-by-Step Explanation & Concept Rationale
Telescoping of bowel causes venous congestion and shedding of blood-mucus stool.
Q. 10 MULTIPLE_CHOICE
Difficulty: HARD (1 Mark)
In professional practice: Definitive surgical repair of Congenital Diaphragmatic Hernia (CDH) involves:
A
Tracheostomy
B
Gastrostomy
C
Chest tube only
D
Reduction of herniated viscera and primary or patch closure of the diaphragmatic defect
✓ Correct
💡 Step-by-Step Explanation & Concept Rationale
Once pulmonary hypertension is medically stabilized, the diaphragmatic defect is closed.
Q. 11 MULTIPLE_CHOICE
Difficulty: MEDIUM (1 Mark)
According to standard examination standards: A 3-week-old infant with non-bilious projectile vomiting and palpable epigastric olive mass has:
A
Infantile Hypertrophic Pyloric Stenosis (IHPS)
✓ Correct
B
Intussusception
C
Duodenal atresia
D
Hirschsprung's disease
💡 Step-by-Step Explanation & Concept Rationale
Pyloric muscle hypertrophy causes gastric outlet obstruction and hypochloremic alkalosis.
Q. 12 MULTIPLE_CHOICE
Difficulty: MEDIUM (1 Mark)
According to standard examination standards: The 'Double Bubble' radiological sign on abdominal X-ray in a newborn indicates:
A
Duodenal Atresia (or annular pancreas)
✓ Correct
B
Meconium ileus
C
Tracheoesophageal fistula
D
Pyloric stenosis
💡 Step-by-Step Explanation & Concept Rationale
Gas fills the dilated stomach and duodenal bulb with complete absence of distal bowel gas.
Q. 13 MULTIPLE_CHOICE
Difficulty: HARD (1 Mark)
According to standard examination standards: Hirschsprung's disease is characterized pathologically by absence of ganglion cells in:
A
Myenteric (Auerbach's) and Submucosal (Meissner's) plexuses
✓ Correct
B
Celiac ganglion
C
Brachial plexus
D
Lumbar plexus
💡 Step-by-Step Explanation & Concept Rationale
Failure of craniocaudal neural crest migration results in a contracted aganglionic distal segment.
Q. 14 MULTIPLE_CHOICE
Difficulty: MEDIUM (1 Mark)
According to standard examination standards: Currant jelly stools in an infant with episodic severe colicky abdominal pain indicate:
A
Intussusception (ileocolic invagination)
✓ Correct
B
Gastroenteritis
C
Volvulus
D
Appendicitis
💡 Step-by-Step Explanation & Concept Rationale
Telescoping of bowel causes venous congestion and shedding of blood-mucus stool.
Q. 15 MULTIPLE_CHOICE
Difficulty: HARD (1 Mark)
According to standard examination standards: Definitive surgical repair of Congenital Diaphragmatic Hernia (CDH) involves:
A
Tracheostomy
B
Reduction of herniated viscera and primary or patch closure of the diaphragmatic defect
✓ Correct
C
Chest tube only
D
Gastrostomy
💡 Step-by-Step Explanation & Concept Rationale
Once pulmonary hypertension is medically stabilized, the diaphragmatic defect is closed.
Q. 16 MULTIPLE_CHOICE
Difficulty: MEDIUM (1 Mark)
From an applied perspective: A 3-week-old infant with non-bilious projectile vomiting and palpable epigastric olive mass has:
A
Hirschsprung's disease
B
Infantile Hypertrophic Pyloric Stenosis (IHPS)
✓ Correct
C
Intussusception
D
Duodenal atresia
💡 Step-by-Step Explanation & Concept Rationale
Pyloric muscle hypertrophy causes gastric outlet obstruction and hypochloremic alkalosis.
Q. 17 MULTIPLE_CHOICE
Difficulty: MEDIUM (1 Mark)
From an applied perspective: The 'Double Bubble' radiological sign on abdominal X-ray in a newborn indicates:
A
Duodenal Atresia (or annular pancreas)
✓ Correct
B
Tracheoesophageal fistula
C
Pyloric stenosis
D
Meconium ileus
💡 Step-by-Step Explanation & Concept Rationale
Gas fills the dilated stomach and duodenal bulb with complete absence of distal bowel gas.
Q. 18 MULTIPLE_CHOICE
Difficulty: HARD (1 Mark)
From an applied perspective: Hirschsprung's disease is characterized pathologically by absence of ganglion cells in:
A
Celiac ganglion
B
Brachial plexus
C
Myenteric (Auerbach's) and Submucosal (Meissner's) plexuses
✓ Correct
D
Lumbar plexus
💡 Step-by-Step Explanation & Concept Rationale
Failure of craniocaudal neural crest migration results in a contracted aganglionic distal segment.
Q. 19 MULTIPLE_CHOICE
Difficulty: MEDIUM (1 Mark)
From an applied perspective: Currant jelly stools in an infant with episodic severe colicky abdominal pain indicate:
A
Gastroenteritis
B
Volvulus
C
Appendicitis
D
Intussusception (ileocolic invagination)
✓ Correct
💡 Step-by-Step Explanation & Concept Rationale
Telescoping of bowel causes venous congestion and shedding of blood-mucus stool.
Q. 20 MULTIPLE_CHOICE
Difficulty: HARD (1 Mark)
From an applied perspective: Definitive surgical repair of Congenital Diaphragmatic Hernia (CDH) involves:
A
Gastrostomy
B
Chest tube only
C
Reduction of herniated viscera and primary or patch closure of the diaphragmatic defect
✓ Correct
D
Tracheostomy
💡 Step-by-Step Explanation & Concept Rationale
Once pulmonary hypertension is medically stabilized, the diaphragmatic defect is closed.
Q. 21 MULTIPLE_CHOICE
Difficulty: MEDIUM (1 Mark)
Under standard operational protocols: A 3-week-old infant with non-bilious projectile vomiting and palpable epigastric olive mass has:
A
Hirschsprung's disease
B
Infantile Hypertrophic Pyloric Stenosis (IHPS)
✓ Correct
C
Intussusception
D
Duodenal atresia
💡 Step-by-Step Explanation & Concept Rationale
Pyloric muscle hypertrophy causes gastric outlet obstruction and hypochloremic alkalosis.
Q. 22 MULTIPLE_CHOICE
Difficulty: MEDIUM (1 Mark)
Under standard operational protocols: The 'Double Bubble' radiological sign on abdominal X-ray in a newborn indicates:
A
Meconium ileus
B
Tracheoesophageal fistula
C
Pyloric stenosis
D
Duodenal Atresia (or annular pancreas)
✓ Correct
💡 Step-by-Step Explanation & Concept Rationale
Gas fills the dilated stomach and duodenal bulb with complete absence of distal bowel gas.
Q. 23 MULTIPLE_CHOICE
Difficulty: HARD (1 Mark)
Under standard operational protocols: Hirschsprung's disease is characterized pathologically by absence of ganglion cells in:
A
Lumbar plexus
B
Myenteric (Auerbach's) and Submucosal (Meissner's) plexuses
✓ Correct
C
Brachial plexus
D
Celiac ganglion
💡 Step-by-Step Explanation & Concept Rationale
Failure of craniocaudal neural crest migration results in a contracted aganglionic distal segment.
Q. 24 MULTIPLE_CHOICE
Difficulty: MEDIUM (1 Mark)
Under standard operational protocols: Currant jelly stools in an infant with episodic severe colicky abdominal pain indicate:
A
Volvulus
B
Appendicitis
C
Gastroenteritis
D
Intussusception (ileocolic invagination)
✓ Correct
💡 Step-by-Step Explanation & Concept Rationale
Telescoping of bowel causes venous congestion and shedding of blood-mucus stool.
Q. 25 MULTIPLE_CHOICE
Difficulty: HARD (1 Mark)
Under standard operational protocols: Definitive surgical repair of Congenital Diaphragmatic Hernia (CDH) involves:
A
Tracheostomy
B
Chest tube only
C
Gastrostomy
D
Reduction of herniated viscera and primary or patch closure of the diaphragmatic defect
✓ Correct
💡 Step-by-Step Explanation & Concept Rationale
Once pulmonary hypertension is medically stabilized, the diaphragmatic defect is closed.
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