ATI LPN
ATI Pediatrics Practice Questions Questions
Question 1 of 5
A newborn girl appears with ambiguous genitalia and a 46,XX karyotype. Labs reveal elevated 17-hydroxyprogesterone. Most likely diagnosis is:
Correct Answer: A
Rationale: CAH fits XX karyotype and elevated 17-OHP, per AAP (doc p149, Q574).
Question 2 of 5
A 14-year-old boy appears with tall stature, long limbs, and a heart murmur. Echocardiogram reveals aortic root dilation. Most likely diagnosis is:
Correct Answer: B
Rationale: Marfan syndrome fits tall stature, long limbs, and aortic dilation, per AAP (doc p151, Q606).
Question 3 of 5
A 3-month-old infant presents with poor feeding and hypotonia. MRI shows periventricular leukomalacia. Most likely diagnosis is:
Correct Answer: A
Rationale: HIE causes leukomalacia, per AAP. B-E differ.
Question 4 of 5
A 4-year-old girl presents with fever and conjunctivitis. Exam shows a rash and swollen hands. Most likely diagnosis is:
Correct Answer: B
Rationale: Kawasaki disease includes fever, conjunctivitis, rash, and swollen hands, per AHA. A, C-E differ.
Question 5 of 5
A 3-year-old girl presents with recurrent ear infections and speech delay. Audiometry shows conductive hearing loss. Most likely diagnosis is:
Correct Answer: B
Rationale: OME causes conductive loss post-infections, per AAP. A, C-E differ.