ATI LPN
ATI Pediatrics Practice Questions Questions
Question 1 of 9
An adolescent who is brought to the emergency department (ED) by his parents has the following symptoms: periumbilical pain that peaks at 4-hour intervals followed by right lower quadrant pain, which is followed by vomiting. Based on these data, which condition does the nurse suspect?
Correct Answer: C
Rationale: Periumbilical pain shifting to the right lower quadrant (McBurney’s point) with vomiting is characteristic of appendicitis . Meckel’s diverticulum may cause bleeding, omphalitis is umbilical infection, and ulcerative colitis involves chronic diarrhea, not acute localized pain.
Question 2 of 9
Body mass index (BMI) should be calculated starting at age:
Correct Answer: C
Rationale: BMI screening starts at age 2 , per AAP, as it aligns with standardized growth charts. Earlier ages (A, B) use weight-for-length, and later starts (D, E) delay assessment.
Question 3 of 9
A 2-year-old boy presents with fever and a vesicular rash in the mouth. Most likely diagnosis is:
Correct Answer: C
Rationale: HFMD features fever and oral vesicles, per CDC. A, B, D, E differ in distribution.
Question 4 of 9
A 2-year-old girl presents with a seizure and fever of 102°F. No focal neurologic signs are noted. Most likely diagnosis is:
Correct Answer: B
Rationale: Febrile seizure is common in toddlers with fever and no focal signs, per AAP. A, C-E have additional features.
Question 5 of 9
A 3-month-old infant presents with poor feeding and lethargy. Labs show hypoglycemia and lactic acidosis. Most likely diagnosis is:
Correct Answer: D
Rationale: FAOD causes hypoglycemia and lactic acidosis, per NORD. A-C, E differ.
Question 6 of 9
A 3-month-old infant presents with poor feeding and lethargy. Labs show hypoglycemia and ketosis. Most likely diagnosis is:
Correct Answer: D
Rationale: FAOD causes hypoglycemia and ketosis, per NORD. A-C, E differ.
Question 7 of 9
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 8 of 9
A 6-month-old infant presents with wheezing and retractions. Chest x-ray shows hyperinflation. Most likely diagnosis is:
Correct Answer: B
Rationale: Bronchiolitis features wheezing and hyperinflation, per AAP. A, C-E differ.
Question 9 of 9
A 3-month-old infant presents with tachypnea and poor feeding. Chest x-ray shows cardiomegaly and pulmonary edema. Most likely diagnosis is:
Correct Answer: B
Rationale: CHF shows cardiomegaly and edema, per AHA. A, C-E differ.