A nurse is caring for an infant with a congenital heart disease who requires prostaglandin E1 therapy. What is the primary purpose of administering prostaglandin E1?
To improve cardiac contractility.
To reduce systemic blood pressure.
To promote ductus arteriosus closure.
To decrease heart rate.
The Correct Answer is C
A) Incorrect. Prostaglandin E1 does not primarily aim to improve cardiac contractility. It is used for a different purpose in the management of congenital heart diseases.
B) Incorrect. Prostaglandin E1 is not used to reduce systemic blood pressure. In fact, it may have the opposite effect, causing vasodilation and potentially lowering blood pressure.
C) The answer is C. Prostaglandin E1 is used to promote and maintain the patency of the ductus arteriosus, especially in critical congenital heart defects. This ensures adequate blood flow to systemic circulation until corrective surgery can be performed.
D) Incorrect. Prostaglandin E1 does not decrease heart rate. It primarily affects the patency of the ductus arteriosus.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A) The answer is A. Monitoring urine output closely is essential postoperatively to assess kidney perfusion and fluid balance, as infants are at risk of fluid shifts after cardiac surgery.
B) Incorrect. While administering prescribed analgesics is important for postoperative pain management, it is not the priority intervention among the options provided.
C) Incorrect. Encouraging deep breathing and coughing exercises is important to prevent respiratory complications, but it is not the priority intervention immediately after cardiac surgery.
D) Incorrect. Elevating the head of the bed can help with respiratory effort, but it is not the priority intervention. Monitoring urine output and fluid balance is more critical in the early postoperative period.
Correct Answer is B
Explanation
A) This option is incorrect. Alcohol consumption during pregnancy can have significant adverse effects on fetal development, including an increased risk of congenital heart diseases. Even moderate alcohol consumption is not safe during pregnancy.
B) Correct answer. Alcohol consumption during pregnancy is a known risk factor for congenital heart diseases and other birth defects. It is best to avoid alcohol completely during pregnancy to protect the developing baby.
C) This option is incorrect. The impact of alcohol on the baby's heart development is generally negative regardless of the type of alcoholic beverage consumed. All types of alcohol should be avoided during pregnancy.
D) This option is incorrect. Alcohol consumption during pregnancy can have far-reaching effects on fetal development, affecting both the heart and brain, among other organ systems.
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