Which structural defects constitute tetralogy of Fallot?
Pulmonic stenosis, ventricular septal defect, aortic hypertrophy, left ventricular hypertrophy.
Pulmonic stenosis, ventricular septal defect, overriding aorta, right ventricular hypertrophy.
Aortic stenosis, ventricular septal defect, overriding aorta, right ventricular hypertrophy.
Aortic stenosis, atrial septal defect, overriding aorta, left ventricular hypertrophy.
The Correct Answer is B
The correct answer is choice B: Pulmonic stenosis, ventricular septal defect, overriding aorta, right ventricular hypertrophy.
Choice A rationale:
Pulmonic stenosis, ventricular septal defect, aortic hypertrophy, left ventricular hypertrophy. This choice is incorrect because it includes "aortic hypertrophy" and "left ventricular hypertrophy," which are not components of the tetralogy of Fallot. Aortic hypertrophy is not a recognized structural defect in tetralogy of Fallot, and left ventricular hypertrophy is not a characteristic feature of this congenital heart condition.
Choice B rationale:
Pulmonic stenosis, ventricular septal defect, overriding aorta, right ventricular hypertrophy. This is the correct choice. Tetralogy of Fallot is characterized by four specific structural defects: pulmonic stenosis (narrowing of the pulmonary valve), ventricular septal defect (hole between the right and left ventricles), overriding aorta (aorta positioned over the ventricular septal defect, receiving blood from both ventricles), and right ventricular hypertrophy (enlargement of the right ventricle due to increased workload).
Choice C rationale:
Aortic stenosis, ventricular septal defect, overriding aorta, right ventricular hypertrophy. This choice is incorrect because it includes "aortic stenosis," which is not part of the tetralogy of Fallot. In tetralogy of Fallot, the stenosis occurs at the pulmonary valve, not the aortic valve.
Choice D rationale:
Aortic stenosis, atrial septal defect, overriding aorta, left ventricular hypertrophy. This choice is incorrect. While "overriding aorta" is present in tetralogy of Fallot, "atrial septal defect" and "left ventricular hypertrophy" are not part of this condition. Atrial septal defects involve a hole between the two atria, not the ventricles, and left ventricular hypertrophy is not typically seen in tetralogy of Fallot.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["2.6"]
Explanation
Step 1: Calculate the total mg per dose. 325 mg × 2 tablets = 650 mg
Step 2: Calculate the number of doses in 24 hours. 24 hours ÷ 6 hours = 4 doses
Step 3: Calculate the total mg in 24 hours. 650 mg × 4 doses = 2600 mg
Step 4: Convert mg to grams. 2600 mg ÷ 1000 = 2.6
Answer: 2.6
Correct Answer is C
Explanation
The correct answer is choice C. Dyspnea.
Choice A rationale:
Orthopnea. Orthopnea refers to difficulty in breathing that occurs when lying flat. It is not the term used to describe labored breathing, which is the main concern in this question.
Choice B rationale:
Hypopnea. Hypopnea is a term used to describe shallow or slow breathing, usually during sleep. It is not the term used to describe the labored breathing mentioned in the question.
Choice C rationale:
Dyspnea. This is the correct term to describe labored breathing, which is characterized by a subjective sensation of discomfort or difficulty in breathing. In this context, the nurse is charting that the hospitalized child has labored breathing, indicating the need for further assessment and intervention to address this breathing difficulty.
Choice D rationale:
Tachypnea. Tachypnea refers to abnormally fast breathing. While it is a concern, especially in the context of a hospitalized child, it does not specifically describe labored breathing, which is the main focus of this question.
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