ATI LPN
Pediatric Cardiac Nclex Practice Questions Questions
Question 1 of 5
A 5-year-old boy presents with petechiae and bruising after a viral illness. Platelet count is 20,000/mm³. Most likely diagnosis is:
Correct Answer: C
Rationale: ITP follows viral illness with isolated thrombocytopenia, per ASH guidelines. A, B, D, E involve other abnormalities.
Question 2 of 5
A 3-month-old infant presents with inconsolable crying and flexed legs. X-ray shows a spiral femur fracture. Most likely diagnosis is:
Correct Answer: C
Rationale: Child abuse is suspected with a spiral fracture in a non-ambulatory infant, per AAP. A, B, D, E are less likely.
Question 3 of 5
A 3-month-old infant presents with cyanosis and a murmur. Echocardiogram shows pulmonary atresia. The next step is:
Correct Answer: B
Rationale: Prostaglandin E1 maintains ductal patency in pulmonary atresia, per AHA, as a bridge to surgery. A, C-E are secondary.
Question 4 of 5
A 3-year-old boy presents with fever and a petechial rash. Labs show leukocytosis and positive blood culture. Most likely diagnosis is:
Correct Answer: C
Rationale: Meningococcemia fits fever, petechiae, and positive culture, per CDC. A, B, D, E lack bacteremia.
Question 5 of 5
A 3-month-old infant presents with cyanosis and poor feeding. Chest x-ray shows a narrow mediastinum. Most likely diagnosis is:
Correct Answer: B
Rationale: Transposition shows a narrow mediastinum and cyanosis, per AAP. A, C-E differ.