ATI LPN
Pediatric Dosing Practice Questions Questions
Question 1 of 5
Most common cause of precocious puberty in girls is:
Correct Answer: C
Rationale: Idiopathic is the most common cause of precocious puberty in girls, per AAP (doc p148, Q562).
Question 2 of 5
A 12-year-old girl appears with polyuria, polydipsia, and weight loss. Labs reveal blood glucose of 300 mg/dL and ketonuria. Most likely diagnosis is:
Correct Answer: B
Rationale: Type 1 diabetes fits polyuria, weight loss, hyperglycemia, and ketonuria, per AAP (doc p150, Q594).
Question 3 of 5
A 6-year-old boy presents with fatigue and pallor. Labs show hemoglobin of 8 g/dL and microcytic anemia. Most likely diagnosis is:
Correct Answer: C
Rationale: Iron deficiency anemia is microcytic and common, per AAP. A, B, D, E differ.
Question 4 of 5
A 5-year-old boy presents with fever and a petechial rash. Labs show thrombocytopenia. Most likely diagnosis is:
Correct Answer: C
Rationale: Meningococcemia fits fever and petechiae, per CDC. A, B, D, E differ.
Question 5 of 5
A 2-month-old infant presents with projectile vomiting. Labs show hypokalemic alkalosis. Most likely diagnosis is:
Correct Answer: B
Rationale: Pyloric stenosis causes vomiting and hypokalemic alkalosis, per AAP. A, C-E differ.