ATI LPN
ATI Practice Questions Pediatrics Questions
Question 1 of 5
A 3-month-old infant presents with apnea and cyanosis. EEG shows epileptiform activity. Most likely diagnosis is:
Correct Answer: C
Rationale: Seizure disorder fits apnea, cyanosis, and EEG findings, per AAP. A, B, D, E lack epileptiform activity.
Question 2 of 5
A 6-month-old infant presents with failure to thrive and hepatosplenomegaly. Labs show elevated triglycerides and uric acid. Most likely diagnosis is:
Correct Answer: B
Rationale: Niemann-Pick disease features failure to thrive, hepatosplenomegaly, and lipid abnormalities, per NORD. A, C-E have distinct profiles.
Question 3 of 5
A 4-year-old boy presents with fever and a swollen elbow. Aspiration yields gram-positive cocci. Most likely diagnosis is:
Correct Answer: A
Rationale: Septic arthritis features fever, swelling, and gram-positive cocci, per AAP. B-E lack infection.
Question 4 of 5
A 4-year-old girl presents with pallor and lethargy. Labs show hemoglobin of 8 g/dL and Howell-Jolly bodies. Most likely diagnosis is:
Correct Answer: B
Rationale: Sickle cell disease shows Howell-Jolly bodies from splenic dysfunction, per ASH. A, C-E differ.
Question 5 of 5
Most common cause of death in patients with untreated congenital adrenal hyperplasia is:
Correct Answer: B
Rationale: Adrenal crisis leads to death in untreated CAH from salt loss and shock, per AAP (doc p148, Q559).