A nurse is assessing a newborn who has a coarctation of the aorta. Which of the following should the nurse recognize is a clinical manifestation of coarctation of the aorta?
Decreased blood pressure in the arms with increased blood pressure in the legs
Increased blood pressure in the arms with decreased blood pressure in the legs
Decreased blood pressure in both the arms and the legs
Increased blood pressure in both the arms and the legs
The Correct Answer is B
A. This option is incorrect as it does not describe the expected blood pressure difference in coarctation of the aorta.
B. Coarctation of the aorta typically presents with higher blood pressure in the upper body (arms) and lower blood pressure in the lower body (legs) due to the obstruction of blood flow distal to the aortic arch.
C. This option is incorrect because while coarctation can lead to decreased perfusion in the lower extremities, it does not typically result in decreased blood pressure in both the arms and legs simultaneously.
D. While increased blood pressure may occur in the arms, the legs would not typically show increased blood pressure in cases of coarctation.
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Explanation
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C. The toxins released by Bordetella pertussis damage the cilia of epithelial cells in the respiratory tract, leading to difficulty in clearing secretions.
D. The inflammation of the lungs and airways is a characteristic response to the infection, contributing to the symptoms of coughing and difficulty breathing.
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Correct Answer is D
Explanation
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