CEN Pediatric and Obstetric Emergencies

Question 1

A 6-week-old infant presents with nonbilious projectile vomiting after every feeding.
The infant is hungry after vomiting and has an olive-shaped mass palpable in the epigastrium.
Which diagnosis is most likely?

Accepted Answer

Pyloric stenosis

Answer

Intussusception

Answer

Volvulus

Answer

GERD

Question 2

A 2-year-old presents with sudden onset of choking, coughing, and unilateral decreased breath sounds. Parents report the child was playing with small toys. What is the most likely diagnosis?

Accepted Answer

Foreign body aspiration

Answer

Croup

Answer

Bronchiolitis

Answer

Asthma exacerbation

Question 3

Which formula is used to estimate the endotracheal tube size for a child between ages 1 and 10?

Accepted Answer

(Age / 4) + 4

Answer

(Age + 16) / 4

Answer

(Age / 4) + 3.5

Answer

Weight in kg / 10

Question 4

A 4-month-old presents with poor feeding, bulging fontanelle, and inconsolable high-pitched crying. Temperature is 38.8°C rectally. What is the most critical concern?

Accepted Answer

Intracranial hemorrhage or bacterial meningitis

Answer

Pyloric stenosis

Answer

Intussusception

Answer

Febrile seizure

Question 5

Which drug and dose is correct for pediatric epinephrine administration during cardiac arrest via IV/IO route?

Accepted Answer

0.01 mg/kg of 1:10,000 concentration

Answer

0.01 mg/kg of 1:1000 concentration

Answer

0.1 mg/kg of 1:10,000 concentration

Answer

0.1 mg/kg of 1:1000 concentration

Question 6

A 9-month-old presents with sudden onset of colicky abdominal pain, drawing up the legs, and currant-jelly stools. Which diagnosis should be suspected?

Accepted Answer

Intussusception

Answer

Pyloric stenosis

Answer

Necrotizing enterocolitis

Answer

Hirschsprung disease