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 B

Explanation

A. Increase the production of urine. – Incorrect. The goal of desmopressin (DDAVP) therapy is to reduce urine production, not increase it.

B. Decrease the production of urine at night. – Correct. Desmopressin is a synthetic antidiuretic hormone that reduces nocturnal urine production, helping children with nocturnal enuresis (bedwetting).

C. Treat urinary tract infections in children. – Incorrect. Desmopressin does not have antibacterial properties and is not used for UTIs.

D. Promote bladder control during the day. – Incorrect. Desmopressin is specifically used for nocturnal enuresis, not daytime bladder control issues.

A. treat bacterial infections B. promote coughing and clear secretions C. reduce pain and fever D. prevent liver damage

Correct Answer is D

Explanation

A. Treat bacterial infections – Incorrect. N-acetylcysteine is not an antibiotic.

B. Promote coughing and clear secretions – Incorrect. This describes its use in cystic fibrosis as a mucolytic, not in acetaminophen toxicity.

C. Reduce pain and fever – Incorrect. Acetaminophen, not N-acetylcysteine, is used for pain and fever.

D. Prevent liver damage – Correct. N-acetylcysteine replenishes glutathione stores, which helps detoxify acetaminophen metabolites that cause hepatotoxicity.

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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

The nurse understands the purpose of desmopressin acetate in the treatment of enuresis in children is to:

Correct Answer is B

Explanation

The nurse understands the rationale for utilizing N-acetylcysteine for acetaminophen ingestions in children is to:

Correct Answer is D

Explanation

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