ATI LPN
Pediatric Dosing Practice Questions Questions
Question 1 of 5
A 4-year-old boy presents with abdominal pain and bloody diarrhea. Stool culture grows E. coli O157:H7. Most likely diagnosis is:
Correct Answer: C
Rationale: Hemolytic uremic syndrome follows E. coli O157:H7 with bloody diarrhea, per CDC. A, B, D, E differ in etiology.
Question 2 of 5
A 5-year-old boy presents with abdominal pain and a palpable mass. CT shows a suprarenal mass with calcifications. Most likely diagnosis is:
Correct Answer: B
Rationale: Neuroblastoma is a common childhood tumor with a suprarenal mass and calcifications, per NCI. A, C-E differ in location or imaging.
Question 3 of 5
A 4-year-old girl presents with a high fever and drooling. X-ray shows a steeple sign. Most likely diagnosis is:
Correct Answer: A
Rationale: Croup shows a steeple sign with fever and respiratory symptoms, per AAP. B-E differ in x-ray.
Question 4 of 5
A 4-year-old girl presents with abdominal pain and vomiting. Ultrasound shows a doughnut sign. Most likely diagnosis is:
Correct Answer: B
Rationale: Intussusception shows a doughnut sign, per AAP. A, C-E differ.
Question 5 of 5
Most common cause of precocious puberty in girls is:
Correct Answer: C
Rationale: Idiopathic is the most common cause of precocious puberty in girls, per AAP (doc p148, Q562).