A nurse is completing an assessment of a newborn, including obtaining blood pressure measurements at each extremity. Which of the following findings suggests coarctation of the aorta?

Low systolic blood pressure in the upper extremities and elevated systolic blood pressure in the lower extremities

Elevated systolic blood pressure in the upper extremities and elevated systolic blood pressure in the lower extremities

Low systolic blood pressure in the upper extremities and low systolic blood pressure in the lower extremities

Elevated systolic blood pressure in the upper extremities and low systolic blood pressure in the lower extremities

Answer and Explanation

The Correct Answer is D

A. Low systolic blood pressure in the upper extremities and elevated systolic blood pressure in the lower extremities. – Incorrect. Coarctation of the aorta causes the opposite finding.

B. Elevated systolic blood pressure in the upper extremities and elevated systolic blood pressure in the lower extremities. – Incorrect. Blood pressure in the lower extremities is reduced due to decreased blood flow.

C. Low systolic blood pressure in the upper extremities and low systolic blood pressure in the lower extremities. – Incorrect. Coarctation of the aorta leads to hypertension in the upper body due to increased resistance.

D. Elevated systolic blood pressure in the upper extremities and low systolic blood pressure in the lower extremities. – Correct. Coarctation of the aorta causes high BP in the arms and low BP in the legs due to obstructed blood flow past the narrowing.

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Correct Answer is C

Explanation

A. Trauma to the head or neck area causing a concussion. – Incorrect. Febrile seizures are not caused by trauma.

B. Structural brain lobe defect since birth. – Incorrect. Febrile seizures are not related to congenital brain defects.

C. Sudden rise in body temperature due to inflammation or infection. – Correct. Febrile seizures occur when a child’s temperature rises rapidly, often due to a viral or bacterial infection.

D. Pooling of blood in a cerebral space. – Incorrect. This refers to intracranial hemorrhage, not febrile seizures.

A. "The blood supply to the bone is disrupted." B. "The younger the child the longer the healing process will take." C. "Bone marrow can be lost though the fracture." D. "Normal bone growth can be affected."

Correct Answer is D

Explanation

A. "The blood supply to the bone is disrupted." – Incorrect. While fractures can affect blood flow, the main concern with epiphyseal plate fractures is growth impairment.

B. "The younger the child, the longer the healing process will take." – Incorrect. Younger children heal faster than older children or adults due to active bone remodeling.

C. "Bone marrow can be lost through the fracture." – Incorrect. Epiphyseal fractures do not cause bone marrow loss.

D. "Normal bone growth can be affected." – Correct. The epiphyseal plate is responsible for bone growth, and injury to this area can lead to growth disturbances or limb length discrepancies.

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A nurse is completing an assessment of a newborn, including obtaining blood pressure measurements at each extremity. Which of the following findings suggests coarctation of the aorta?

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Naxlex Comprehensive Predictor Exams

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Correct Answer is C

Explanation

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Correct Answer is D

Explanation

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