A nurse is assessing a newborn for manifestations of a large patent ductus arteriosus. Which of the following findings should the nurse expect?
Weak pulses
Chronic hypoxemia
Systolic murmur
Cyanosis with crying
The Correct Answer is C
Rationale:
A. Weak pulses are not typically associated with a large patent ductus arteriosus. Instead, bounding pulses may be observed due to increased blood flow to the lower extremities.
B. Chronic hypoxemia may occur in some cases of patent ductus arteriosus, but it is not a specific manifestation typically associated with this condition.
C. Systolic murmur is a common finding in newborns with a large patent ductus arteriosus. This murmur is often continuous with the second heart sound and may be heard best at the left upper sternal border.
D. Cyanosis with crying is not typically associated with patent ductus arteriosus. Cyanosis may occur in other cardiac defects but is not a specific finding for patent ductus arteriosus.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Rationale:
A. Metronidazole: Metronidazole is an antibiotic and does not have significant interactions with sildenafil.
B. Phenytoin: Phenytoin is an anticonvulsant medication and does not have significant interactions with sildenafil.
C. Prednisone: Prednisone is a corticosteroid and does not have significant interactions with sildenafil.
D. Isosorbide: Isosorbide is a nitrate medication used to treat angin
A. Combining sildenafil with nitrate medications can lead to severe hypotension and is contraindicated. Sildenafil potentiates the vasodilatory effects of nitrates, which can result in a dangerous drop in blood pressure.
Correct Answer is D
Explanation
Rationale:
A. A heart rate of 130/min is elevated and may indicate continued dehydration or stress. It does not necessarily indicate the effectiveness of oral rehydration therapy.
B. A capillary refill greater than 3 seconds indicates poor perfusion and ongoing dehydration. It does not indicate the effectiveness of oral rehydration therapy.
C. A respiratory rate of 24/min is within normal range for a 3-year-old child. It does not necessarily indicate the effectiveness of oral rehydration therapy.
D. A urine specific gravity of 1.015 indicates adequate hydration. Normal urine specific gravity typically ranges from 1.005 to 1.030, and a value closer to 1.015 indicates proper hydration
status. Therefore, this finding suggests that oral rehydration therapy has been effective in restoring fluid balance.
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