A newborn child has been diagnosed with tetralogy of Fallot. What symptoms would the nurse expect to observe in this child?

Cyanosis and hypoxia

High-pitched cry and dyspnea

Leg pain and twitching

Epistaxis and anemia

Answer and Explanation

The Correct Answer is A

Choice A rationale
Tetralogy of Fallot is a congenital heart condition that presents with a combination of four defects in the structure of the heart. The most common symptoms in a newborn with this condition include cyanosis (bluish color of the skin due to reduced oxygen in the blood) and hypoxia (low levels of oxygen in the body)34567.
Choice B rationale
While a high-pitched cry can be a sign of distress in a newborn, it is not specifically associated with tetralogy of Fallot. Dyspnea (difficulty breathing) can occur in severe cases, but it is not one of the primary symptoms of this condition.
Choice C rationale
Leg pain and twitching are not typical symptoms of tetralogy of Fallot. These symptoms could be indicative of other conditions, but they are not associated with this specific congenital heart defect.
Choice D rationale
Epistaxis (nosebleeds) and anemia are not typical symptoms of tetralogy of Fallot. While these conditions can occur in children for various reasons, they are not directly related to this specific congenital heart defect.

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Correct Answer is D

Explanation

Choice A rationale
Increasing glomerular filtration would result in increased urine output, not decreased venous return. This action is not directly related to the therapeutic action of nitroglycerin.
Choice B rationale
While enhancing the contractility of the myocardium would increase oxygen delivery, this is not the primary action of nitroglycerin. Nitroglycerin primarily works by dilating the blood vessels, which reduces the amount of work the heart has to do and increases the blood supply to the heart muscle.
Choice C rationale
Nitroglycerin does not produce an immediate analgesic effect. While it can relieve chest pain, it does so by increasing blood flow to the heart, not by acting as an analgesic.
Choice D rationale
Nitroglycerin increases the coronary blood supply and decreases the afterload314. By dilating the blood vessels, nitroglycerin reduces the amount of work the heart has to do and increases the blood supply to the heart muscle. This is the primary therapeutic action of nitroglycerin in alleviating chest pain.

A. Aortic regurgitation B. Mitral regurgitation C. Aortic stenosis D. Tricuspid regurgitation .

Correct Answer is D

No explanation

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A newborn child has been diagnosed with tetralogy of Fallot. What symptoms would the nurse expect to observe in this child?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

The nurse is administering nitroglycerin intravenously to alleviate chest pain. What is the therapeutic action of this medication?

Correct Answer is D

Explanation

A 35-year-old patient presents with pulmonary hypertension and is diagnosed with right heart failure. What is the most likely cause of this condition?

Correct Answer is D

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