ATI Pediatrics Final Exam 2025 | Nurselytic

Correct Answer: A

Rationale: The correct answer is A because it accurately describes Tetralogy of Fallot, which consists of pulmonary stenosis, ventricular septal defect, right ventricular hypertrophy, and an overriding aorta. Pulmonary stenosis is the narrowing of the pulmonary valve, leading to reduced blood flow to the lungs. Ventricular septal defect is a hole in the wall between the ventricles, causing oxygenated and deoxygenated blood to mix. Right ventricular hypertrophy occurs due to the heart working harder to pump blood through the narrowed pulmonary valve. An overriding aorta means the aorta is positioned directly over the ventricular septal defect, allowing mixed blood to be pumped to the body.


Choice B is incorrect as it oversimplifies the condition by only mentioning the aorta's placement.
Choice C is incorrect as it lists different heart defects not associated with Tetralogy of Fallot.
Choice D is incorrect as it incorrectly describes the mixing of oxygenated and deo

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