ATI LPN
ATI PN Pediatrics Proctored Exam 2020 Questions
Question 1 of 5
A 1-year-old boy presents with fever and irritability. Exam shows a bulging tympanic membrane. Most likely diagnosis is:
Correct Answer: B
Rationale: Acute otitis media features fever, irritability, and a bulging TM, per AAP. A, C-E differ in presentation.
Question 2 of 5
A 4-month-old infant presents with poor feeding and a heart murmur. Echocardiogram shows a patent ductus arteriosus. The next step is:
Correct Answer: B
Rationale: Indomethacin closes a symptomatic PDA in infants, per AHA. A, C-E are for persistent or severe cases.
Question 3 of 5
A 5-month-old infant presents with hypotonia and tongue thrusting. Labs show elevated ammonia. Most likely diagnosis is:
Correct Answer: B
Rationale: Urea cycle disorder causes hypotonia and hyperammonemia, per NORD. A, C-E lack ammonia elevation.
Question 4 of 5
A 3-year-old boy presents with fever and a swollen elbow. Aspiration shows pus. Most likely diagnosis is:
Correct Answer: B
Rationale: Septic arthritis features fever and pus, per AAP. A, C-E lack pus.
Question 5 of 5
Most common cause of delayed puberty in boys is:
Correct Answer: C
Rationale: Idiopathic is the most common cause of delayed puberty in boys, per AAP (doc p149, Q566).