ATI LPN
Pediatric Nursing Practice Test Questions Questions
Question 1 of 5
A 5-year-old girl presents with hematuria and proteinuria. Labs show low C3 levels. Most likely diagnosis is:
Correct Answer: B
Rationale: Poststreptococcal GN features hematuria, proteinuria, and low C3, per AAP. A, C-E have normal or different complement.
Question 2 of 5
A 1-month-old infant presents with cyanosis and poor feeding. Echocardiogram shows tricuspid atresia. The next step is:
Correct Answer: B
Rationale: Prostaglandin E1 stabilizes tricuspid atresia by maintaining ductal flow, per AHA. A, C-E follow stabilization.
Question 3 of 5
A 3-year-old boy presents with fever and a limp. Hip x-ray shows joint space widening. Most likely diagnosis is:
Correct Answer: B
Rationale: Septic arthritis features fever, limp, and joint widening, per AAP. A, C-E differ in acuity.
Question 4 of 5
A 2-year-old boy presents with a limp and knee swelling. Labs show elevated ESR. Most likely diagnosis is:
Correct Answer: C
Rationale: JIA features limp and elevated ESR, per ACR. A, B, D, E differ.
Question 5 of 5
A newborn boy appears with ambiguous genitalia and a 46,XY karyotype. Labs reveal low testosterone and elevated LH/FSH. Most likely diagnosis is:
Correct Answer: C
Rationale: Gonadal dysgenesis fits XY karyotype, low testosterone, and high gonadotropins, per AAP (doc p149, Q571).