A nurse is caring for a newborn who may have pyloric stenosis. Which of the following manifestations should the nurse expect?

Presence of dance sign

Always seems full

Projectile vomiting

Excessive weight gain

Answer and Explanation

The Correct Answer is C

A. Presence of Dance sign. – Incorrect. Dance sign (absence of bowel sounds in the right lower quadrant) is associated with intussusception, not pyloric stenosis.

B. Always seems full. – Incorrect. Babies with pyloric stenosis initially feed well but develop progressive vomiting and hunger after feeds.

C. Projectile vomiting. – Correct. Pyloric stenosis causes forceful, non-bilious projectile vomiting due to gastric outlet obstruction.

D. Excessive weight gain. – Incorrect. Infants with pyloric stenosis typically experience weight loss or poor weight gain due to vomiting.

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Correct Answer is D

Explanation

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.

A. Use lotion or powder inside the cast to prevent itching B. Ensure the cast remains dry and clean at all times. C. Massage the baby’s foot to improve circulation while the cast is on. D. Remove the cast daily to allow the baby’s skin to breathe.

Correct Answer is B

Explanation

A. "Use lotion or powder inside the cast to prevent itching." – Incorrect. Lotions and powders can increase moisture, leading to skin irritation or infection.

B. "Ensure the cast remains dry and clean at all times." – Correct. Moisture can weaken the cast and cause skin breakdown.

C. "Massage the baby’s foot to improve circulation while the cast is on." – Incorrect. Massage is not recommended as it may interfere with alignment.

D. "Remove the cast daily to allow the baby’s skin to breathe." – Incorrect. The cast must remain on continuously and is only removed by a healthcare provider.

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A nurse is caring for a newborn who may have pyloric stenosis. Which of the following manifestations should the nurse expect?

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