ATI RN
Infectious Disease Pediatric Questions
Question 1 of 5
The MOST important therapy for primary pulmonary hypertension of the newborn (PPHN) is
Correct Answer: C
Rationale: Inhaled nitric oxide (C) is the key PPHN treatment, relaxing pulmonary vessels, per neonatal protocols.
Question 2 of 5
Hemorrhagic disease of the newborn (HDN) is prevented by administration of single dose of vitamin K (1 mg)
Correct Answer: D
Rationale: IM vitamin K (D) at 1 mg prevents HDN effectively, per AAP recommendations.
Question 3 of 5
During intrauterine life, hemoglobin concentration increases from 8 to 10 g/dL at 12 weeks to 16.5 to 18 g/dL at
Correct Answer: D
Rationale: Hemoglobin reaches 16.5-18 g/dL at term (40 weeks, D), per fetal hematology.
Question 4 of 5
All the following statements regarding ABO incompatibility are true EXCEPT
Correct Answer: A
Rationale: ABO incompatibility affects firstborns (B), is milder than Rh (C), common (D), and mild (E). It doesn’t worsen with pregnancies (A), unlike Rh.
Question 5 of 5
Arterial blood gas analysis (BGA) should perform in all infants with significant respiratory distress, whether or not cyanosis is perceived. All the following are true about a normal values of arterial BGA in term infants EXCEPT
Correct Answer: C
Rationale: Normal term infant PaOâ‚‚ rises to 75-80 mm Hg by 4-24 hours (D, E). 55-60 mm Hg (C) is too low for 30 minutes, per norms.