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 brachial artery is commonly used to assess the heart rate in infants due to its accessibility and the ease of palpation in smaller limbs.

B. The radial artery is not typically used in infants because it is less accessible and not as easily palpated in this age group.

C. While the apex of the heart is where heart sounds are best auscultated, it is not used to palpate the pulse in infants.

D. The carotid artery is not typically used for assessing the heart rate in infants due to the risk of applying excessive pressure.

A. Hypotension B. Unequal upper and lower extremity pulses C. Excessive crying D. Diastolic murmur

Correct Answer is B

Explanation

A. Hypotension is not typically associated with coarctation of the aorta; it more often leads to hypertension in the upper body.

B. Unequal pulses in the upper and lower extremities are a classic sign of coarctation of the aorta, as the obstruction typically affects blood flow to the lower body.

C. Excessive crying is not a specific indicator of coarctation of the aorta and can occur due to various reasons.

D. A diastolic murmur is not a primary indicator of coarctation of the aorta; it is more associated with other cardiac conditions.

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

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Naxlex Comprehensive Predictor Exams

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Correct Answer is A

Explanation

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Correct Answer is B

Explanation

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