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 C
Explanation
A) Incorrect. Left-sided heart failure typically presents with symptoms such as pulmonary congestion, shortness of breath, and crackles in the lungs, rather than cyanosis and clubbing.
B) Incorrect. Right-sided heart failure can cause peripheral edema and jugular vein distention, but it does not usually lead to cyanosis and clubbing.
C) The answer is C. Cyanosis and clubbing of the fingers are signs of chronic hypoxia, which can occur in pulmonary hypertension. This condition increases pulmonary vascular resistance and impairs oxygenation, leading to these characteristic symptoms.
D) Incorrect. Peripheral vascular disease primarily affects the arteries and veins in the extremities and is not directly related to cyanosis and clubbing of the fingers.
Correct Answer is C
Explanation
A) This option is incorrect. Maintaining a sedentary lifestyle during pregnancy is not recommended, as moderate exercise can be beneficial for both maternal and fetal health.
B) This option is incorrect. Prenatal check-ups and ultrasounds are essential for monitoring the health and development of the fetus and identifying any potential issues, including congenital heart diseases.
C) Correct answer. Genetic counseling can help assess the risk of congenital heart diseases based on the family history and provide guidance and recommendations for future pregnancies. This counseling can assist in making informed decisions about prenatal care and potential interventions.
D) This option is incorrect. While a family history of congenital heart diseases may increase the risk, seeking appropriate medical guidance and prenatal care can help manage and address these risks.
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