Which of the following conditions is commonly associated with tetralogy of Fallot?

Heart failure

Asthma

Polycythemia

Pulmonary hypertension

Answer and Explanation

The Correct Answer is C

A. While heart failure can occur in many congenital heart defects, it is not the most specific condition commonly associated with tetralogy of Fallot.

B. Asthma is not typically associated with tetralogy of Fallot. It is a respiratory condition that does not have a direct link to congenital heart defects.

C. Tetralogy of Fallot is associated with polycythemia due to chronic hypoxemia. The body produces more red blood cells in response to low oxygen levels, leading to an increased hematocrit.

D. While pulmonary hypertension can occur in congenital heart defects, tetralogy of Fallot is more directly associated with polycythemia as a result of the decreased blood flow to the lungs.

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Correct Answer is A

Explanation

A. The knee-chest position increases systemic vascular resistance, which helps to divert more blood to the pulmonary circulation, improving oxygenation in a child experiencing a "tet spell" or hypercyanotic episode.

B. The prone position does not help in relieving cyanosis and dyspnea in Tetralogy of Fallot.

C. The supine position with the head turned does not assist in improving oxygenation during a cyanotic episode.

D. The semi-Fowler's position may aid breathing but is less effective than the knee-chest position in managing cyanotic spells.

Correct Answer is ["4"]

Explanation

To calculate the flow rate in gtt/min, the nurse should use the formula: (Volume in mL * Drop factor) / Time in minutes. In this case, the prescribed volume is 150 mL/hr. Since there are 60 minutes in an hour, the time for the infusion is 12 hours * 60 minutes/hour = 720 minutes. The drop factor is 20 gtt/mL. Plugging these values into the formula gives: (150 mL * 20 gtt/mL) / 720 minutes = 3000 gtt / 720 minutes = 4.1666 gtt/min. Rounding to the nearest whole number, the nurse should set the manual IV infusion to deliver 4 gtt/min.

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Which of the following conditions is commonly associated with tetralogy of Fallot?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

The nurse would teach the mother of a boy with Tetralogy of Fallot that if the child suddenly becomes cyanotic and dyspneic, the mother should:

Correct Answer is A

Explanation

Correct Answer is ["4"]

Explanation

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